probably the most serious environmental factor limiting crop productivity is which of the following?

Answers

Answer 1

One of the most significant environmental factors limiting crop productivity is salinity.

What is Salinity?

The saltiness or amount of salt dissolved in a body of water, known as saline water, is referred to as salinity also soil salinity. The salinity of water is defined as the amount of dissolved salt content. Salts are compounds that dissolve into ions, such as sodium chloride, magnesium sulphate, potassium nitrate, and sodium bicarbonate.

How does soil salinity impact corps?

Salinity is a major issue that affects crop production around the world. Salinity has an impact on crop, pasture, and tree production by interfering with nitrogen uptake, reducing growth, and halting plant reproduction. Some ions (particularly chloride) are toxic to plants, and as their concentration rises, the plant becomes poisoned and dies.

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Related Questions

How do chloroplasts contribute to the function of the cell?

They convert energy from the sun into glucose.
They enclose the cell and separate it from other things in its environment.
They provide structure to the cell.
They convert glucose into usable energy.

Answers

Answer: They convert energy from the sun into glucose.

Explanation:

Chloroplasts contribute to the cell by housing the photosensitive pigment chlorophyll which is needed to trap the sunlight. It then acts as the sight of photosynthesis.

Answer:

The correct answer to this question is: "They convert energy from the sun into glucose."

Explanation:

I hope this helps, have an amazing day!

Arteries carry blood to the heart.
O True
OFalse

Answers

Answer:

False

Explanation:

The arteries carry blood away from the heart.

Which mechanism of harm presents the greatest immediate threat at hazmat incidents?
A. Toxicity
B. Infection
C. Corrosivity
D. Energy release

Answers

Answer:

D.

Explanation:

it should be the energy release. I think that it’s this because, energy being released I think can cause death.

Which of the following occurs in meiosis?
A The chromosomes are copied twice.
B One cell produces four cells.
C One cell produces two cells.
D The nucleus divides once.

Answers

B - one cell produces four cells

Which of the following is NOT a type of neuron?
multipolar
unipolar
apolar
bipolar

Answers

Answer:

i think the answer is bipolar

: Using Key Terms For each pair of terms, explain how the meanings of the terms differ. 1. work and joule 2. power and watt

Answers

1. Work and Joule: Work refers to the transfer of energy that results in the displacement or movement of an object by the application of force. It is the product of the force applied to an object and the distance over which the force is exerted. Work is measured in joules (J).

- Joule, on the other hand, is the unit of measurement for work and energy. It represents the amount of work done when a force of one newton is applied over a distance of one meter. Joule is a unit of energy and is equivalent to one watt-second.

In summary, work is the physical concept of the transfer of energy through the application of force, while joule is the unit used to quantify the amount of work or energy transferred.

2. Power and Watt:

- Power refers to the rate at which work is done or energy is transferred. It measures how quickly or efficiently work is accomplished. Power is the ratio of work done to the time taken to do the work. It is represented by the formula P = W/t, where P is power, W is work, and t is time. Power is measured in watts (W).

- Watt is the unit of measurement for power. It represents the amount of power needed to perform work at the rate of one joule per second. One watt is equivalent to one joule of work done in one second.

To summarize, power is the measure of the rate at which work is done or energy is transferred, while watt is the unit used to quantify power, representing the amount of work done per unit time.

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which question is most closely related to the field of biology?
A.) what is the nearest planet to earth?
B.) how do you design a cheaper automobile?
C.) how many planets are there in the solar system?
D.) what is the cause of cancer in mice?

Answers

Answer:

option(D).what is the causes of cancer in mice

Answer:

The Closest question related to biology is D.) What is the cause of Cancer in mice

Explanation:

Can someone pleaseee help me with this It’s urgent! It’s multiple choice! Plsssss help (20 points)

Can someone pleaseee help me with this Its urgent! Its multiple choice! Plsssss help (20 points)

Answers

Answer:

Explanation:

8/c

9/c

10/c

12/b

13/a

14/b

and i am not sure about 12/9

Peacemakers maintain the heartbeat in people who suffer from certain defects

Answers

Answer:

ear make me ear

Explanation:

The individual’s sinoatrial node ceases to function. Hope this helps ❤️❤️

What is the function of the valves in the lymphatic vessels?

Answers

Answer:

1. pick up any fluid that has escaped the blood vessels

2. return the escaped fluid to the heart

3. remove any foreign material from the lymph

Explanation:

Lymph vessels pick up any fluid that has escaped the blood vessels and return it to the heart. Lymph nodes remove any foreign material from the lymph (bacteria, viruses, tumors) and contain lymphocytes (WBC!!!)

The function of the valves is to bring the expelled fluid back to the heart.

Each and every fluid that had already exited the blood arteries is collected by lymphatic vessels as well as returned towards the heart. Lymph nodules filter out foreign particles from either the lymph as well as house lymphocytes.

Gather each and every fluid that had already leaked from the blood vessels.Start by removing anything foreign materials from the lymphatic system.

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Tai grows plants in a container called a terrarium, as shown below. He keeps the terrarium on a sunny windowsill.

The terrarium is closed, so Tai cannot add water to the plants. However, the plants have enough water to grow. Which of these statements best explains why the
plants always have enough water?

The air cannot hold all of the water vapor.

Water is unable to evaporate from the soil.

The plants take up water and store it in their stems and leaves.

Energy from the sun cycles water through the soil, the plants, and the air

Answers

Answer:

water is unable to evaporate from the soil

9. What genetic syndrome is shown in this picture?*

9. What genetic syndrome is shown in this picture?*

Answers

Down syndrome !!!!!!!!!
What that guy said I guess

name 2
resources needed for photosynthesis

Answers

Answer:

carbon dioxide and water

The element nitrogen is present in all of the following except A) proteins.B) nucleic acids.C) amino acids.D) DNA.E) monosaccharides.

Answers

Nitrogen is present in all of the options listed except for monosaccharides. Thus, correct option is (E).

A crucial component of biological compounds is nitrogen. Nitrogen is a component of proteins, nucleic acids (DNA and RNA), amino acids (which serve as the building blocks for proteins), and DNA. Amino acids, which make up proteins, contain nitrogen as a necessary part of their structure.

Adenine, cytosine, guanine, and thymine/uracil are nitrogenous bases that are essential for the operation of nucleic acids, including DNA. Monosaccharides, simple sugars and the fundamental unit of carbohydrates, do not, however, include nitrogen. Instead, the majority of their atoms are made up of carbon, hydrogen, and oxygen.

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2. Imagine that you are in a building and the fire alarm goes off. All of the doors around you lock shut, and you smell smoke.

a. What is the main problem that your central nervous system will try to solve?

b. What is the somatic nervous system likely to be doing?

c. Which part of the autonomic nervous system is likely to be active, and what will it be doing?

Answers

The main problem that your central nervous system will try to solve is how to get out of this place.

B. What is the somatic nervous system probably doing?

It is releasing stimuli so that the pupil dilates and the blood goes to the muscles, to give greater physical vigor.

ç. Which part of the autonomic nervous system is likely to be active and what is it doing?

The autonomic nervous system is a part of the nervous system that functions independently of will and consists of neurons that conduct impulses from the central nervous system (brain and/or spinal cord) to the glands, smooth muscle and heart muscle.

What are the physiological responses of adrenaline binding in the sympathetic autonomic system?

Adrenaline increases the overall activity of the heart, increasing both the heart rate and the force of contraction. The heart has β1 receptors in both contractile and specialized myocardium. When turning on, a series of cardiac effects can happen.

With this information, we can conclude that the main problem that your central nervous system will try to solve is how to get out of this place.

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what is the correct order of structures that urine would pass to the body from kidneys as an exits to the body?
spongy urethra,
navicular fossa
renal pelvis
prosthetic urethra
ureter
bladder

Answers

The correct order of structures that urine would pass from the kidneys as an exit to the body is:
renal pelvis - ureter - bladder - prosthetic urethra - spongy urethra - navicular fossa.
The correct order of structures that urine would pass through from the kidneys as it exits the body is as follows:

1. Renal pelvis
2. Ureter
3. Bladder
4. Prostatic urethra
5. Spongy urethra
6. Navicular fossa

In this order, urine is produced in the kidneys, flows into the renal pelvis, then travels down the ureter to the bladder for temporary storage. From the bladder, urine passes through the prostatic urethra, then the spongy urethra, and finally exits the body through the navicular fossa.

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Which of the following choices is NOT part of the Scientific Method?

Answers

Answer:

is there a picture or? like something specfic

Explanation:

ToF - Bioelectrical impedance analysis (BIA) is based on the fact that fat-free tissues are good conductors of electrical current, whereas fat is not.

Answers

Bioelectrical impedance analysis (BIA) is based on principle that fat-free tissues, such as muscle and organs, conduct electrical current more effectively compared to fat. Correct answer is true.

BIA involves passing a low-level electrical current through the body and measuring the impedance, or resistance, encountered by the current. Since fat contains less water and electrolytes than fat-free tissues, it acts as a poorer conductor of electrical current.

By measuring the impedance, BIA can estimate body composition, including the amount of lean body mass and fat mass. The electrical current encounters less resistance in lean tissues due to their higher water content, while it encounters more resistance when passing through fat due to its lower water content. BIA devices use mathematical equations and algorithms to convert the impedance measurements into estimates of body fat percentage or fat-free mass.

However, it's important to note that BIA is not a perfect measurement and can be influenced by factors like hydration status, temperature, and individual variations. Therefore, BIA should be used as a screening tool rather than a definitive measurement of body composition, and results should be interpreted with caution.

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State and explain the importance of nutrition in living organisms​

Answers

Explanation:

“Nutrition is the process of taking in food and converting it into energy and other vital nutrients required for life.” Nutrients are the substances which provide nutrition. All living organisms need nutrients for proper functioning and growth.

Please helppppppppppp

Please helppppppppppp

Answers

Answer:

According to me it's

Option B

Cones

Answer: In angiosperms, archegonia and antheridia are absent. So, the correct answer is option D, angiosperms.

Explanation:

enzymes and energy are required for the synthesis of dna and rna. which enzyme is correctly linked with its function?

Answers

The enzyme that is correctly linked with its function is DNA polymerase. This enzyme is responsible for the synthesis of DNA, and it uses energy to do so. ATP is required for the synthesis of DNA, and DNA polymerase uses this energy to create new DNA strands.

DNA and RNA are both nucleic acids, and they are essential macromolecules in all living cells. Enzymes are proteins that catalyze biochemical reactions. There are many different types of enzymes, each with a specific function. Some enzymes help to synthesize DNA and RNA, while others help to break down these nucleic acids. 

DNA polymerases are enzymes that catalyze the synthesis of DNA. These enzymes are essential for DNA replication, the process by which DNA is copied before it is passed on to the next generation of cells.

RNA polymerases are enzymes that catalyze the synthesis of RNA. These enzymes are essential for the transcription of DNA, the process by which RNA is copied from DNA. 

Ribonucleases are enzymes that catalyze the breakdown of RNA. These enzymes play an important role in the degradation of RNA, a process that is necessary for the recycling of nucleotides.

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5 internal and external ways to help your skin please will mark brainliest​

Answers

Internally should be based on what you feed your body with , when you reduce or stop eating things like chocolates , nuts , oily food , adding a lot of butter can affect your skin proportionally

Externally washing your skin with just water helps , putting on glycerin and all kinds of moistures products . But going to a dermatologist is always the best way to treat skin bc we are not the same
Exfoliate, moisture, apply sunscreen, drink water , eat well

What mechanism causes wind to produce coastal upwelling?

a. evaporation
b. friction
c. precipitation
d. heating
e. adiabatic rise

Answers

Answer:

your answer should be c

Explanation:

im very sorry if im wrong i have done this before but they change things

I believe it is friction

what does not pass through the stomata of leaves ​

Answers

Carbon dioxide and oxygen cannot pass through but move in and out

Which statement describes the genes within DNA?

Answers

You don’t have any statements given but as I remember from my bio class it’s either deoxyribonucleic acid or chromosomes I prefer to choose first option:)

What is the one difference between the head and tails of a phospholipid in the cell membrane?


The head is repelled by water and the tails are attracted to water.

The head transports waste material and the tails transport ions.

The head transports ions and the tails transport waste material.

The head is attracted to water and the tails are repelled by water.

Answers

the answer is the head is attracted to water and the tails are repelled by the water.

In the cell membrane phospholipids have a head and tail, the head having groups that are hydrophilic to water and the tails are hydrophobic in nature, hence option d is correct.

What is a phospholipid cell membrane?

A phospholipid has a head and a tail. The phosphate group is located in the "head" of the molecule, which is hydrophilic, which means it will dissolve in water.

The "tail" of the molecule is made up of two hydrophobic fatty acids that do not dissolve in water. The heads (phosphate) are polar, but the tails (lipid) are non-polar.

The heads, which compose the exterior and inner linings, are "hydrophilic" (love water), but the tails, which face the cell membrane's interior, are "hydrophobic" (water-fearing) The phospholipids are the most prevalent membrane lipids.

Therefore due to the hydrophobic nature of the tail and the hydrophilic nature of the head, hence option d is correct.

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What are the roles nucleic acid plays on living system?​

Answers

Answer:

The functions of nucleic acids have to do with the storage and expression of genetic information. Deoxyribonucleic acid (DNA) encodes the information the cell needs to make proteins. A related type of nucleic acid, called ribonucleic acid (RNA), comes in different molecular forms that participate in protein synthesis.

Explanation:

Why a decrease in the maturation of ovarian follicles may lead to reduced implantation rates

Answers

A decrease in the maturation of ovarian follicles may lead to reduced implantation rates because the maturation of ovarian follicles is essential for the release of mature eggs during ovulation. If the follicles do not fully mature, it can result in the release of immature or poor-quality eggs, which may have difficulty fertilizing and implanting in the uterus.

During the menstrual cycle, ovarian follicles develop and mature under the influence of hormones. The maturation process involves the growth and development of the egg within the follicle until it reaches its final stage of maturity. Once the follicle is fully mature, it ruptures, releasing the egg for potential fertilization.

If the maturation of ovarian follicles is compromised or delayed, it can lead to a decrease in the quality and viability of the eggs. This can negatively affect the chances of successful fertilization and implantation in the uterus, ultimately resulting in reduced implantation rates and decreased fertility.

Various factors can contribute to a decrease in the maturation of ovarian follicles, including hormonal imbalances, age-related decline in egg quality, certain medical conditions, or lifestyle factors.

Addressing these underlying causes and seeking appropriate medical interventions may help improve the maturation of ovarian follicles and increase the chances of successful implantation.

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The replication cycle of T7 virus has several things that none of the other virus replication cycles include. What is one of these things? I cant find anything on google shhssgxhahshsb or im just lazy

Answers

Answer:

Lysogenic replication cycle is one unique process in T7 virus replication.

Explanation:

The T7 virus is a virus that attacks bacteria ( bacteriophage). Unlike other viruses (plants and animals viruses), it replicates within the host cell by means of two cycles: the lytic replication cycle and the lysogenic replication cycle.

Virulent phages replicate through the lytic replication cell and this lead to the death of the cell through cell lysis.

The lysogenic replication cycle involves bacteriophages known as temperate bacteriophages. Temperate bacteriophages can become part of a host chromosome forming a prophage. The prophage replicates with the formation of daughter cells with incorporated viral genetic materials until when induced to enter into the lytic stage thereby producing new viruses which then exit the host cell by cell lysis.

This process of incorporation into the host cell genome is known as lysogenic replication and is unique to the bacteriophages.

Viruses are neither living nor dead organisms. The viruses require a host to replicate. The virus follows the lysogenic or lytic cycle to replicate. The T7 virus follows the lysogenic replication pathway.

The T7 virus follows the lysogenic pathway, in which the nucleic acid of the bacteriophage is incorporated into the host genome. The T7 virus intervenes on the bacteriophage genome.

In the lysogenic cycle, bacteriophages can become part of the host genome. This genome is then known as prophage. Prophage replicates and forms the daughter cells with the altered genetic material of the host.

The new cells produced are released by the lytic cycle, in which the cell produces new cells by lysis.

Thus, the incorporation of the host cell genome in the bacteriophage via the lysogenic cycle is a unique feature of a virus, T7.

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The diagram compares the sizes of the armadillo, a modern animal, and the glyptodont, an ancient animal that resembled an enlarged armadillo.

The length of an armadillo is 0.5 m, and the length of the glyptodont is 3 m. The glyptodont is large and armored, but otherwise has a similar shape and body structure as the armadillo.

Which of the following statements is MOST STRONGLY supported by the evidence shown in the diagram?

A. Ancient animals were either larger or smaller examples of modern animals.
B. Ancient animals grew much larger than modern animals because of their environment.
C. Ancient animals were identical to modern animals, but fossil evidence can distort their traits.
D. Ancient animals resembled modern animals in some ways, but differed in other ways.

Answers

I think its D,

not sure though

Answer:

the answer is D

Explanation

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