which of the following statements are true?
A. Flavr Savr tomatoes are still commercially successful.
B. A large percentage of US crops are currently genetically engineered.
C. Glyphosate kills all plant life, even genetically altered plants.
D. None of these are true
Answers
Related Questions
How does an activated receptor transfer information from a signal into the cell?
Select one:
a. By endocytosis of the signaling molecule with the receptor.
b. Through a conformational change of the receptor.
c. By increased expression of the receptor.
d. None of the other answer choices are correct.
e. More than one of the other answer choices is correct.
Answers
The correct answer is b. Through a conformational change of the receptor. When a signaling molecule binds to the receptor on the cell surface, it causes a conformational change in the receptor.
This change leads to the activation of the receptor, which triggers a cascade of intracellular signaling events that ultimately transmit the information from the signal into the cell. The intracellular signaling events can involve the activation of enzymes, such as protein kinases or phosphatases, or the release of second messengers, such as cAMP or Ca2+. These events lead to changes in gene expression, protein synthesis, or cell metabolism, which allow the cell to respond appropriately to the signal. Endocytosis of the signaling molecule with the receptor may occur, but it is not the primary mechanism by which the activated receptor transfers information into the cell. Increased expression of the receptor may occur as a result of the signaling events, but it is not the initial step in the process. Therefore, the correct answer is b.
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.Using Hilton's law of the innervation of joints, determine which nerves innervate the elbow joint.
A) musculocutaneous nerve
B) median and ulnar nerves
C) median, radial, and ulnar nerves
D) musculocutaneous, median, ulnar, and radial nerves
Answers
The nerves which innervate the elbow joint according to Hilton's law of the innervation of joints are option C) median, radial, and ulnar nerves.
According to Hilton's law of the innervation of joints, the nerves that innervate a joint also innervate the muscles that move the joint and the skin overlying the joint. The elbow joint is a complex joint that involves movement from multiple muscles and requires sensory innervation for the overlying skin. Therefore, the answer would include nerves that supply both the muscles and the skin around the elbow joint.
The median nerve, radial nerve, and ulnar nerve are the major nerves that provide innervation to the muscles and skin around the elbow joint.
The median nerve innervates some of the muscles in the anterior compartment of the forearm, which are involved in elbow flexion and forearm pronation. It also provides sensory innervation to the skin on the palmar side of the hand, including the thumb, index finger, middle finger, and half of the ring finger.The radial nerve innervates the muscles in the posterior compartment of the arm and forearm, which are involved in elbow extension and forearm supination. It also provides sensory innervation to the skin on the posterior aspect of the arm and forearm.The ulnar nerve innervates the muscles in the anterior and posterior compartments of the forearm, including some of the muscles involved in elbow flexion and forearm pronation. It also provides sensory innervation to the skin on the ulnar side of the hand, including the little finger and half of the ring finger.Therefore, option C) median, radial, and ulnar nerves innervate the elbow joint according to Hilton's law.
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is a trait that increases an organism's ability to survive
Answers
Answer:
Adaptation.
What's that?An adaptation is an organism's survival traits that allow it to survive in a biome or ecosystem. Adaptations are considered structural and behavioral.
help me please its easy i just don't pay attention
Answers
Answer:
Tall
-TT
-Tt
Short
-Tt
Explanation:
T is dominant
t is recessive if it's Tt that means it could be either.
In which biome would you likely find primarily evergreens, such as pine, fir, and spruce?
a) Taiga
b) Temperate shrubland
c) Tropical rainforest
d) Tundra
Answers
Answer:
d tundra
Explanation:
What is the main difference between passive
transport and active transport of materials across a
cell membrane?
Answers
Answer: The main difference is whether the transportation requires energy or not.
Explanation: Active transport most of the time requires energy, passive transport does not.
The epiglottis acts as another set of vocal folds. You can vibrate it to make sound. True or False
Answers
The statement "The epiglottis acts as another set of vocal folds. You can vibrate it to make sound" is FALSE.
The epiglottis does not act as another set of vocal folds and cannot be vibrated to produce sound. The epiglottis is a flap-like structure located at the base of the tongue, above the larynx. Its main function is to prevent food and liquids from entering the airway during swallowing. When we swallow, the epiglottis folds over the opening of the larynx, directing the food or liquid towards the esophagus.
Sound production, on the other hand, involves the vocal folds within the larynx. The vocal folds, also known as vocal cords, are two folds of mucous membrane that can vibrate and produce sound when air passes through them. These vibrations are then shaped and modulated by other structures in the throat, mouth, and nasal cavity to produce speech and various vocal sounds.
Therefore, the epiglottis is not involved in sound production, and it does not contribute to creating vibrations for making sound. Its role is solely focused on protecting the airway during swallowing.
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if a mouse with the genotype aadd is crossed with a mouse that has the genotype aadd what will the phenotypic ratios of the offspring be
Answers
The offspring's phenotypic ratio is 9: 3: 3: 1. Normal running speed is a dominant feature in mice. These mice are known as running mice (R). Mice only run in circles due to the recessive characteristic.
What does a mouse with the genotype AA look like phenotypically?Agouti mice are AA or Aa mice. Regardless of the phenotype at the second locus, mice with genotype aa are albino because all pigment formation is suppressed. The B allele (agouti coat) is dominant to the b allele at the second location (black coat).
What is the offspring's genotypic ratio?The ratio that represents the various genotypes of a test cross' offspring is called the genotypic ratio. It depicts the pattern of a family's progeny.
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Please Hurry WILL GIVE BRAINLIST
An example of sunlight passing through clouds during sunset, results in what is often called the cloud's silver lining. Pastel shades of blue, pink, purple, and green can be observed at times of cloud cover. What is the cause of these patterns in the sky?
Responses
Water in the atmosphere and within the clouds themselves cause light waves to refract and reflect, creating an assortment of colors.
Water in the atmosphere and within the clouds themselves cause light waves to refract and reflect, creating an assortment of colors., EndFragment,
The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones.
The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones.
StartFragment, The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones., The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones., EndFragment, ,
The patterns occur when light is absorbed by water droplets within the clouds. The amount of absorption that occurs depends on the temperature of the air.
The patterns occur when light is absorbed by water droplets within the clouds. The amount of absorption that occurs depends on the temperature of the air., EndFragment,
The patterns occur when light is reflected from water droplets within the clouds. The amount of reflection that occurs depends on the wavelength of the light, and shorter wavelengths are reflected at a greater angle than longer ones.
Answers
The cause of the color patterns in the sky is when light is diffracted from water droplets within the clouds, the amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones which is therefore denoted as option D.
What is Diffraction?This is a term which is described as the process of light bending around an obstacle or spreading out after it moves through a small or tiny space.
We should also be aware that it is dependent on the wavelength of the light such that those with a shorter wavelengths are usually diffracted at a greater angle than longer ones which is therefore the reason why the color pattern is observed in the sky and is therefore the reason why it was chosen as the correct answer.
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Check your blood pressure: In a recent study, the Centers for Disease Control and Prevention reported that diastolic blood pressures of adult women in the United States are approximately normally distributed with mean 80.5 and standard deviation 9.6. (a) What proportion of women have blood pressures lower than 72? (b) What proportion of women have blood pressures between 70 and 92? (c) A diastolic blood pressure greater than 90 is classified as hypertension (high blood pressure). What proportion of women have hypertension? (d) Is it unusual for a woman to have a blood pressure lower than 68? Round the answers to four decimal places.
Answers
Blood pressure refers to the force exerted by circulating blood on the walls of blood vessels. The correct answers are:
(a) Approximately 0.1867 or 18.67% of women have blood pressures lower than 72.
(b) Approximately 0.0968 or 9.68% of women have blood pressures lower than 68.
(a) To find the proportion of women with blood pressures lower than 72, we need to calculate the area under the normal distribution curve to the left of 72. Using the mean (80.5) and standard deviation (9.6), we can standardize the value of 72.
Z = (X - μ) / σ
Z = (72 - 80.5) / 9.6 = -0.89
Using a standard normal distribution table or a calculator, we can find the corresponding proportion, which is approximately 0.1867.
Therefore, approximately 0.1867 or 18.67% of women have blood pressures lower than 72.
(b) To find the proportion of women with blood pressures between 70 and 92, we need to calculate the area under the normal distribution curve between these two values.
First, we standardize the values:
Z1 = (70 - 80.5) / 9.6 = -1.10
Z2 = (92 - 80.5) / 9.6 = 1.20
Using the standard normal distribution table or a calculator, we can find the area to the left of Z2 and subtract the area to the left of Z1 to find the proportion between these two values. The proportion is approximately 0.7837.
Therefore, approximately 0.7837 or 78.37% of women have blood pressures between 70 and 92.
(c) To find the proportion of women with hypertension (diastolic blood pressure greater than 90), we need to calculate the area under the normal distribution curve to the right of 90.
Standardizing the value:
Z = (90 - 80.5) / 9.6 = 0.99
Using the standard normal distribution table or a calculator, we can find the area to the right of Z, which is approximately 0.1611.
Therefore, approximately 0.1611 or 16.11% of women have hypertension.
(d) To determine if it is unusual for a woman to have a blood pressure lower than 68, we can calculate the proportion of women with blood pressures lower than 68 using the same method as in part (a).
Z = (68 - 80.5) / 9.6 = -1.30
Using the standard normal distribution table or a calculator, we can find the corresponding proportion, which is approximately 0.0968.
Therefore, approximately 0.0968 or 9.68% of women have blood pressures lower than 68.
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Can you guys help me with this
Answers
Answer:
B
Explanation:
This is irrelevant towards the well-being of the family or the pet.
Select all the correct answers. In the diagram, the Sun, Earth, and Moon are in perfect alignment. Which two conclusions can be drawn based on the diagram? a diagram showing Earth between the Sun and Moon and casting a shadow on the Moon; Remove the text "Figure 1" and use upper and lower text: Sun, Earth, Moon, Earth's shadow.
Answers
Answer:
In the diagram, the Sun, Earth, and Moon are in perfect alignment. Which two conclusions can be drawn based on the diagram?
A diagram showing Earth between the Sun and Moon and casting a shadow on the Moon; Remove the text "Figure 1" and use upper and lower text: Sun, Earth, Moon, Earth's shadow.
[ ] An observer on the Moon sees a solar eclipse.
[ ] An observer on the Moon sees a lunar eclipse.
[ ] An observer on the Moon sees a partial eclipse.
[ ] An observer on Earth sees a lunar eclipse.
[ ] An observer on Earth sees a solar eclipse.
Explanation:
1 and 4 are correct:
[X] An observer on the Moon sees a solar eclipse.
[ ] An observer on the Moon sees a lunar eclipse.
[ ] An observer on the Moon sees a partial eclipse.
[X] An observer on Earth sees a lunar eclipse.
[ ] An observer on Earth sees a solar eclipse.
Answer:
1. An observer on the moon sees a solar eclipse
4. An observer on earth sees a lunar eclipse
Explanation:
this is correct for Plato/edmentum
soluble fibers are fermented in the colon and insoluble fibers are excreted in the feces. true false
Answers
Soluble fibers are fermented in the colon and insoluble fibers are excreted in the feces. TRUE .
This form of fiber dissolves in water to shape a gel-like cloth. it can help decrease blood cholesterol and glucose tiers. Soluble fiber is determined in oats, peas, beans, apples, citrus culmination, carrots, barley and psyllium.
Soluble fiber, along with beta-glucan and glucomannan, mixes with water to form a viscous, gel-like substance that slows down how rapid the stomach releases digested food into the gut ( four ). eating greater soluble fiber also can help you lose belly fats and save you stomach fats benefit.
Oats include excessive tiers of a heart-healthful soluble fiber called beta glucan. With 1.64 grams of soluble fiber in step with cup,eight you may growth your soluble fiber consumption by adding oats into cookies or cakes. Or you can continually devour oatmeal for breakfast or take a granola with you on-the-move for a high-fiber snack.
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A person says "What if biological factors associated with maleness - such as testosterone levels - contribute to aggressive tendencies, which are then fostered and reinforced through social and cultural norms, which then further influence men's testosterone levels? This reciprocal and interactive influence of sex as biological and gender as socialization becomes very difficult to disentangle the root cause of any observed aggression differences between women and men." What is this person making reference to? A. The concept of "doing gender". B. The false dichotomy of sex and gender. C. The invisibility of gender D. The gendering of the X and Y chromosomes.
Answers
Biological and social factors, the person challenges the false dichotomy of sex and gender and highlights the need for a more nuanced understanding of human behavior.
The statement highlights the idea that biological factors associated with maleness, such as testosterone levels, may contribute to aggressive tendencies. However, these biological factors are not the sole determinants of aggression. The person suggests that social and cultural norms play a significant role in fostering and reinforcing aggressive behavior in men. This interaction between biological factors and socialization makes it challenging to identify the root cause of observed aggression differences between women and men.
The false dichotomy of sex and gender refers to the misconception that sex (biological differences) and gender (socially constructed roles and behaviors) are strictly separate and independent. This perspective fails to acknowledge the complex interplay between biology and socialization in shaping human behavior.
In this case, the person recognizes that testosterone levels, a biological factor associated with maleness, can influence aggression. However, they also emphasize that social and cultural norms play a crucial role in how aggression is expressed and reinforced within different genders. The reciprocal and interactive influence between biology and socialization makes it difficult to disentangle the root cause of observed aggression differences between women and men.
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. Which of the following kinds of cells do not have a short life span?
A)skin cells
B)fetal cells
C)kidney cells
D)intestinal cells
Answers
Answer:
c
Explanation:
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The diagram provides an overview of how dialysis works. Using this model as an example, explain how the diyalysis machine performs the function that's normally performed by the kidneys
Answers
Answer:
The main job of a kidney is to filter toxins and waste products from the blood. In dialysis, the machine takes in blood from the artery and pumps it through a semipermeable membrane. This function is similar to that of the capillaries in the kidney. They allow waste products to filter from the kidneys. The waste excretes into a bag in a manner similar to how the bladder excretes urine from the body. The clean blood pumps back into the body and is carried back to the heart via a vein.
Explanation:
that's the answer that shows when you submit it
You have sampled a population in which you know that the percentage of the homozygous recessive genotype (aa) is 25%. Calculate the frequency of the "A" allele. *
1 point
0.5
0.4
0.25
0.6
Answers
Answer:
.5
Explanation:
Remember that p = dominant allele, q = recessive allele. Use the Hardy-Weinberg equations:
p^2 + 2pq + q^2 = 1 (AA + Aa + aa = 1)
So aa = q^2. Take the square root, and we'll have just q by itself.
√a^2 = √.25 = .5
So the frequency of the a allele (recessive) = .5.
p + q = 1
p + .5 = 1
p = .5
The frequency of the A allele is .5.
match the characteristics to DNA or RNA
1. protein synthesis
2. contains thymine
3. double stranded
4. single stranded
5. contains urcail
6. stores genetic material
Answers
Answer:
RNARNARNADNADNADNA2. DNA (rna has uricil)
3. DNA
4.RNA
5. RNA
6. DNA
When transporting food off site How should information such as use by date and time be communicated to the off site staff?
Answers
When transporting food off site How should information such as use by date and time be communicated to the off site staff is Labels on food.
What is food?Any substance taken as food serves as an organism's source of sustenance. Food is often made from plants, animals, or fungi and contains vital elements including carbs, lipids, proteins, vitamins, and minerals. The material is consumed by an organism and absorbed by its cells in order to supply energy, support life, or promote growth.What purpose does food serve?Something that has nutrients is a food. Nutrients are substances that give the body the energy it needs for activity, growth, and all of its bodily activities, including breathing, digesting food, keeping warm, and they also give the body the building blocks it needs for growth and repair as well as for maintaining a strong immune system.Learn more about food here:
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You visit your grandmother for a week’s holiday. On the first night, you are kept awake by a wall clock that chimes at quarter hour intervals. By the end of the week, you have no difficulty sleeping. This is an example of
a.habituation
b.innate behavior.
C. Operant conditioning
D. Classical conditioning
Answers
You visit your grandmother for a week’s holiday. On the first night, you are kept awake by a wall clock that chimes at quarter hour intervals. By the end of the week, you have no difficulty sleeping. This is an example of habituation
Option A is correct.
What is habituation?Habituation is described as a form of non-associative learning in which an innate response to a stimulus decreases after repeated or prolonged presentations of that stimulus.
Habituation from the above scenario depicts a results from repeated stimulation and that does not involve sensory adaptation/sensory fatigue or motor fatigue.
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which segments (a-e) of the protein are most likely to be folded stably and compactly in the internal
Answers
The segments of a protein that are most likely to be folded into compact, stable domains are typically the alpha-helices and beta-sheets, which make up the protein's secondary structure.
In proteins, the sequence of amino acids determines its three-dimensional structure, which is essential for its function. The protein's structure can be divided into several levels of organization, including primary, secondary, tertiary, and quaternary structures. The secondary structure refers to the local, repetitive patterns in the protein's backbone that form due to hydrogen bonding between the peptide bonds. Alpha-helices are coiled structures made up of regularly repeating sequences of amino acids, held together by hydrogen bonds. Beta-sheets are flat structures composed of extended peptide chains that are held together by hydrogen bonds between the nitrogen atoms in the peptide bonds. In contrast, the unstructured regions of a protein, such as random coils, are less likely to form compact, stable domains as they lack the repetitive pattern and hydrogen bonding seen in alpha-helices and beta-sheets.
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The Complete Question is:
Which segments (a-e) of the protein are most likely to be folded into compact, stable domains?
what does a human neuron use to send a signal to the brain in response to a stimulus such as touch?
A. myosin and actin
B. contraction and relaxation
C. respiration and absorption
D. electrical signals and chemical neurotransmitters
Answers
Answer:
D.electrical signals and chemical neurotransmitters
Explanation:
chemical transmitters are the language that neurons use to connect eachother.
Which of the following provide evidence that natural selection occurs in peppered moths?
A. Melanic moths become more abundant than light forms in polluted areas
B. Light moths become more abundant than melanic forms when clean air legislation is implemented
Answers
Answer:
B
Explanation:
When the moths camouflage with their surroundings, they are less likely going to be eaten by their predators. So therefore, more moths are going to want to mate with the darker moths that blend with their surroundings.
Camouflage protects moths from predators. Thus, darker moths that blend in will attract more mates. Therefore, option (A) is correct.
What is natural selection?Natural selection refers to the process in which different individuals with distinct phenotypes have variable rates of survival and reproductive success. The gradual shift over time in the heritable characteristics that are typical of a population is a crucial aspect of the evolutionary process known as evolution.
It is less probable that the moths' natural enemies will consume them if they are able to blend in with their environment and use camouflage. Therefore, a greater number of moths will seek to mate with the darker moths because these moths fit in better with their environment.
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Differentiate between Gene and chromosomes. (any four differences )
plz hurry
who ever will give at least 4 differences would be marked as brainlist.
Answers
2) Gene mutations are small, but chromosome mutations are large.
3) Genes are composed of either DNA or RNA, but chromosomes are composed of DNA, RNA AND Histones.
4) A single gene is a locus on chromosome, but a single chromosome compromises of many genes.
Hope this helped :)
What is the role of retina?
Answers
Answer:
It is where images are formed.
Explanation:
The retina has two light sensitive cells;
rods- responsible for dim light.
cones- responsible for bright light
Define polar molecule or polarity.This is not a test question, could you please simplify the response to as few sentences as possible?
Answers
Polarity is caused by electronegativity. Electronegativity is the ability of an atom to attract electrons and when in a molecule there is a region of low electronegativity and a region of high electronegativity we say that the molecule is polar.
All of the following are true statements about algae except question 52 options: algae are eukaryotes. algae are photoautotrophs. algae are producers. algae were once classified as plants. most algae have some form of locomotion.
Answers
All of the following are true statements about algae except question 52 options: algae were once classified as plants.
What is algae?
Algae is a colloquial word for a broad and varied class of photosynthetic eukaryotic organisms. Species from numerous different clades are included in this polyphyletic grouping. Chlorella, Prototheca, and diatoms are just a few examples of the unicellular microalgae that are included. Multicellular species like the giant kelp, a massive brown alga that may reach lengths of up to 50 meters (160 feet), are also included. Many lack many of the distinctive cell and tissue types, including stomata, xylem, and phloem, that are present in terrestrial plants. The majority are aquatic and autotrophic (they make food internally). Seaweeds, a class of green algae that comprises, among other things, Spirogyra and stoneworts, are the largest and most complex marine algae, whereas the Charophyta are the most complicated freshwater forms.
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The characteristics of planets are described below.
Characteristic #1: All planets have atmospheres.
Characteristic #2: Either rock or gas make up the surfaces of all planets in the solar system.
Characteristic #3: Every planet in the solar system has at least one moon.
Characteristic #4: Only a few planets have rings or ice and rock that orbit the planet.
Correct the error in the list of characteristics.
a There are planets in the solar system with no observable atmosphere.
b There are planets in the solar system that do not have moons.
c The surfaces of all planets in the solar system consist of both gas and solid rock.
d All planets have rings, but you can only see them on a few planets in the solar system.
Answers
The correction of error with respect to the list of characteristics is that there are planets in the solar system that do not have moons. Thus, the correct option for this question is B.
What is the solar system?The solar system may be defined as the group of celestial bodies that are held by its attraction and revolve around it along with the sun, planets, and other important compartments.
A planet must have three things which include an orbit and a star in our cosmic neighborhood, like the Sun. Each and every planet on the solar system must consist of both gas and solid rock.
All planets have rings, but you can only see them on a few planets in the solar system. There are planets in the solar system with no observable atmosphere. A planet must be big enough that its gravity cleared away any other objects of a similar size and shape near its orbit around the Sun.
Therefore, the correct option for this question is B.
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After which event will ecological succession most likely happen? answer choices. a forest fire. a thunderstorm. a high tide. a lunar eclipse.
Answers
Ecological succession is most likely to happen after a forest fire. Option A is the correct answer.
Forest fires can cause significant disturbances to an ecosystem, clearing out vegetation and organic matter. This creates a blank canvas for new plant growth and colonization by other organisms. The absence of competition and the availability of resources in the post-fire environment provide opportunities for pioneer species to establish and initiate ecological succession.
These pioneer species gradually pave the way for the establishment of more complex and diverse communities over time, leading to ecological succession. Therefore, a forest fire is an event that often triggers the process of ecological succession.
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Which of these is a disadvantage of hydroelectric energy ?
A. Is expensive to build or maintain
B. Has high power plant efficiency
C. Has a long power plant life span
D. Reduces greenhouse gas emissions
Answers
Answer:
A. Is expensive to build or maintain
Explanation:
Hydroelectric energy is a type of energy which is generated from the flow of water. In this energy, water is allowed to fall from a certain height on the turbine. The moving of turbine produces energy. The main disadvantage of hydroelectric energy is that it is very expensive and require high amount of money for the construction and maintenance of hydroelectric power plant. The machinery used for the production of hydroelectric energy is very costly.