Explain
two effects of
human factor on environmental hazards.
Answers
Answer:
1) Radioactivity, this is an exposure dependent risk of some cancers notably leukaemia.
2) Tobacco smoking, this damages their health.
Explanation:
I hope it helps.
Related Questions
When blood sugar levels are too high, the pancreas helps to maintain balanced blood
sugar levels by releasing _______ This hormone helps the cells and liver take in extra sugar to lower the blood sugar levels back to their set point.
A. Glucogon
B. Oxygen
C. Glycogen
D. Insulin
Answers
Answer: My best guess would be Insulin
Explanation:
Insulin signals body cells to take up glucose from the blood, which returns blood glucose levels back to normal.
Which of the following statements is true?
A) Saltatory conduction is seen in non-myelinated nerve fibres.
B) Nissl’s granules are found in muscle fibres.
C) Non-myelinated nerve fibres do not possess nodes of Ranvier.
D) Non-myelinated nerve fibres are completely enclosed by myelin sheath.
Answers
The statement that is true is “Non-myelinated nerve fibers do not possess nodes of Ranvier”, option c.
What are non-myelinated nerve fibers?
Non-myelinated nerve fibers are also known as unmyelinated nerve fibers or non-myelinated axons. These nerve fibers are the type of nerve fibers that lack myelin sheath around their axons. In the absence of myelin sheath, the axons of the nerve fibers appear gray. It is due to the presence of cell nuclei, mitochondria, endoplasmic reticulum, and other organelles present in the axons of nerve fibers.What are the Nodes of Ranvier?
The Nodes of Ranvier are small gaps or indentations that are found in the myelin sheath. These Nodes of Ranvier are responsible for aiding the propagation of nerve impulses through a process known as saltatory conduction. The saltatory conduction is the process by which the action potential of a nerve impulse travels through the axon of a nerve fiber in an efficient and rapid manner in the presence of the myelin sheath.Option A is incorrect because saltatory conduction is not seen in non-myelinated nerve fibers.
Option B is incorrect because Nissl’s granules are not found in muscle fibers.
Option D is incorrect because non-myelinated nerve fibers lack a complete myelin sheath.
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What helps weaken atp bonds so energy can be released and then later help reform them?
Answers
Enzymes help weaken these bonds so energy can be released and then later help reform them.
that's the answer
ADP (adenosine diphosphate) is formed when these high-energy connections between the phosphate groups at the end are broken, releasing energy for the cells to utilize.
How is energy stored in ATP?One phosphate group is left on its own, these powerful associations may be broken and rebuilt with the aid of enzymes.
When a third phosphate is added to the ADP molecule, reforming ATP, water that was broken down into its hydrogen atom and hydroxyl group during ATP hydrolysis is recovered.
Energy must be introduced into the system to regenerate ATP, ADP develops and energy is released for the cells to utilize when these connections are broken.
Therefore, ATP has the capacity to store and transmit chemical energy, high-energy bonds are used to link the final two phosphate groups.
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PLEASE HELP FAST, IM STRUGGLING!!
Question: How do naturally occurring hormones affect plants?
- They ripen fruits, prevent plants from being eaten by insects, and help plants collect water from soil.
- They start lateral leaf growth, help plants collect water from soil, and speed up the growth of plant cells.
- They keep buds inactive in winter, speed up the growth of plant cells, and ripen fruits.
- They speed up the growth of plant cells, ripen fruits, and prevent plants from being eaten by insects.
Answers
Answer:
The answer is ....C.... The fruit that they produse does ripen and and the growth of the plant starts speeding up. Also in winter the buds are inactive around a plant with hormones I hope this helps :D
Two students are talking about what they learned in class. One says, "sex is biological, not socially constructed." Support or oppose the argument that sex is biological and not socially constructed. Use at least two course materials (articles, videos, podcasts, etc) to make your point.
Answers
Sex is a biological trait that refers to the observable physical and genetic characteristics that distinguish males from females. It is frequently assumed that sex is based on biological or genetic characteristics rather than social and cultural aspects.
The physical variations between males and females, such as genitalia and breasts, are some examples of sex differences. Thus, it is a biological characteristic rather than a social one. Both social constructionism and biological determinism, on the other hand, have opposing perspectives on gender. Biological determinism emphasizes that gender differences are inborn, while social constructionism emphasizes that they are socially produced. According to the social constructionism perspective, gender identity and the roles associated with it are the product of socialization and cultural expectations, whereas biological determinism focuses on innate biological differences and the impact of biology on gender.
The claim that sex is a biological trait and not socially constructed can be supported by two course materials. The article "Sex as Biological and Gender as a Social Construct" by Anne Fausto-Sterling argues that sex is a biological characteristic because it is based on genitalia and chromosomes, while gender is socially constructed. This article suggests that sex is primarily concerned with physical characteristics, while gender is linked to social and cultural expectations, which is consistent with the idea that sex is biological and gender is social.
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What are some real-life examples of when you want to keep heat energy from being lost to the environment?
PLEASE HURRY IT'S DUE TODAY
Answers
Answer:
the real life example is our body heat when we weat coats or jackets in winters
Bacterial growth was measured at different temperatures: The density of bacteria (cells/ml) are given below: Use the 5% level of significance to conduct a regression to test the null hypothesis that the slope is equal to zero. Some calculations provided below: Temp (0C) Growth (cells/ml) XX Y*Y XY 26.0 65.0 676.00 4225.00 1690.00 27.0 61.0 729.00 3721.00 1647.00 28.0 76.0 784.00 5776.00 2128.00 29.0 84.0 841.00 7056.00 2436.00 30.0 79.0 900.00 6241.00 2370.00 SUM: 140.0 365.0 3930.00 27019.00 10271.00 MEAN: 28.00 73.00 What is the slope of the line for bacterial growthas function of temperature?
a. siope = 5.10
b. slope= - 69.80
c. Slope= 0.475 d. Slope= 3.74
Answers
The slope of the line for bacterial growth as a function of temperature is 5.10. Hence, the correct answer is (a) slope = 5.10.
The slope of the line for bacterial growth as a function of temperature, we can use the formula for the slope of a regression line:
slope = (nΣXY - ΣXΣY) / (nΣX² - (ΣX)²)
where n is the number of data points, ΣXY is the sum of the products of X and Y, ΣXΣY is the product of the sum of X and the sum of Y, ΣX² is the sum of the squares of X, and (ΣX)^2 is the square of the sum of X.
From the given calculations:
n = 5
ΣXY = 10271.00
ΣXΣY = 140.0 * 365.0 = 51100.0
ΣX² = 3930.00
(ΣX)² = 140.0² = 19600.0
Substituting these values into the slope formula:
slope = (5 * 10271.00 - 51100.0) / (5 * 3930.00 - 19600.0)
= (51355.00 - 51100.0) / (19650.0 - 19600.0)
= 255.00 / 50.0
= 5.10
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A football moves rapidly as it is thrown upwards. Its motion slows as it reaches a maximum
height, and then it falls back down. What causes the upward motion to become slower?
A. The kinetic energy is converted to wind energy
B. The kinetic energy is converted to gravitational potential energy.
C. The gravitational potential energy is converted to kinetic energy.
D. the gravitational potential energy is converted to light energy.
Answers
Answer:
The answer would be B. (ps. you put this in the wrong category, but it's fine)
Explanation:
This is hard to explain but I will try anyway.
The football starts of with kinetic energy, meaning that the energy is from moving, and then goes ot gravitational potential energy, meaning that the energy is from the potential (meaning able to be used) gravitational (the pulling of gravity) energy.
I hope this helps! :)
Question 7/7
A young ecosystem has few insects and is full of small grasses and herbs. What could we expect to happen next?
A. Next this ecosystem would begin to grow trees
B. The small grasses and herbs would be replaced by lichens and mosses
C. Considering the grasses and herbs have insects, we have reached climax community of this ecosystem
D. Next this ecosystem would develop enough soil for bushes, shrubs, and flowers to take root.
help me please help me please
Answers
Answer:
d
Explanation:
As a student jumps over a hurdle, she loses contact with the ground and moves upward. She returns to the ground because unbalanced forces cause a change in the — A mass of the student B height of the student’s jump C gravitational pull on the student D speed and direction of the student
Answers
Answer:
I need the picture or the numbers for it
Answer:
I believe its D speed and direction of the student
Explanation:
Unbalanced forces change an objects motion called acceleration
Acceleration is the change in speed or direction of an object
Discuss the following statement in detail : Conservation biology is everyone's business
Answers
Conservation biology is a multidisciplinary field of science that is focused on conserving and restoring biodiversity. Conservation biology is everyone's business as it affects not only biologists but also policymakers, land managers, businesses, and the general public. It requires collaborative efforts to achieve the desired results.
Conservation biology is important as it helps to protect the environment and maintain ecosystem services. It is essential for preserving the diversity of life on Earth, which provides many benefits to humans, including food, medicine, and other resources. It also helps to prevent the loss of species that have cultural and aesthetic values.
Conservation biology is everyone's business as it involves the participation of people from all walks of life. The general public can contribute to conservation efforts by reducing their carbon footprint, using eco-friendly products, and supporting organizations that work to protect the environment. Farmers, landowners, and policymakers can contribute by adopting sustainable practices and implementing policies that promote conservation.
Businesses can contribute to conservation efforts by adopting sustainable practices that reduce their impact on the environment and by investing in conservation projects. For example, businesses can reduce their carbon footprint by using renewable energy sources and by promoting sustainable practices in their supply chain.
In conclusion, conservation biology is everyone's business as it affects everyone and requires the participation of people from all walks of life. It is essential for preserving the diversity of life on Earth, maintaining ecosystem services, and ensuring that future generations have a healthy and sustainable planet to live on. Therefore, it is important that everyone works together to achieve the desired results.
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one parent is homozygous for a certain trait and the other is heterozygous. what fraction of their offspring would you expect to be heterozygous? support your answer with punnett squares.
Answers
In a heterozygous hybrid where both parents are heterozygous for a particular trait, the genotypic ratio is 1:2:1. In a cross where one parent is heterozygous and the other is homozygous for a characteristic, the genotypic ratio is 1:1. Sources.
The genotypic ratio illustrates how frequently an organism's characteristic will appear in the progeny when genes for specific traits are crossed. Using a simple monohybrid cross and the Punnett square method, this is more simply comprehended.
This cross's genotypic ratio is represented as 1:2:1. Each gene in both plants and animals carries two alleles, or variations, one from each parent. The Punnett equation is used to forecast all the phenotypic changes for the progeny when male and female gametes combine (cross).
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Which phrase used by the president was specifically chosen to convince the public to support the war?
“facts of yesterday”
“unprovoked and dastardly attack”
“have already formed their opinions”
“a state of war has existed”
Answers
The phrase used by the president was specifically chosen to convince the public to support the war is “unprovoked and dastardly attack”. Thus, option "B" is correct.
How, support your answer?President Roosevelt was in office when Pearl Harbor happened, and it was the perfect occasion that the government of the United States needed to enter a war that was clearly being won by the Germans and Japanese, they had already taken decisions prior to this to help the allies, but they couldn´t directly send troops when the bombings on Pearl Harbor took place, and since the USA had never provoked, attacked or done anything to upset Japan, they were now able to declare war on Japan an its allies.
Thus, option "B" is correct.
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Answer:
B
Explanation:
Did the assignment
Which steps are important when designing and conducting a scientific experiment
Answers
Where do upper motor neurons synapse onto lower motor neurons?.
Answers
Upper motor neurons synapse onto lower motor neurons in the ventral horn of the spinal cord.
Upper motor neurons are responsible for transmitting signals from the brain to the lower motor neurons, which in turn directly innervate the muscles. These synapses between upper and lower motor neurons occur in the ventral horn of the spinal cord, specifically in the region called the anterior horn. The axons of the upper motor neurons descend from the motor cortex in the brain and travel through the corticospinal tracts. Upon reaching the ventral horn, they make connections, or synapses, with the lower motor neurons. This synaptic connection allows the upper motor neurons to influence and control the activity of the lower motor neurons, which ultimately leads to voluntary movement and motor function.
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A construction company wants to trap pollutants in runoff at its sites. What should the company do?
O A.
Practice conservation tillage at the sites.
O B. Release beneficial insects,
such as spiders and ladybugs, at the sites.
O C. Plant grass and
lay straw at the sites.
O D. Plant trees at the sites.
Answers
Answer:
O C. Plant grass and lay straw at the sites.
Explanation:
Plant grass and lay straw at the sites are used by the company to trap pollutants at its sites because these plants reduce the runoff by absorbing most of the water and by absorbing water we can trap the pollutants present in that water. By trapping this industrial water, we can reduce water pollution that occurs due to this industrial waste and pollutants so planting grass and lay straw is the best way to trap pollutant.
which cellular process is responsible for the formation of gametes in sexual reproduction?
a) ATP (adenosine triphosphate)
b) chromosome
c) crossing over
d) gamete
e) gene
f) germ cell
g) meiosis
h) mitosis
i) translation
j) transcription
Answers
The cellular process responsible for the formation of gametes in sexual reproduction is g) meiosis.
Meiosis is a specific kind of cell division that happens in germ cells, which are reproductive cells that create gametes. The number of chromosomes in the daughter cells is halved as a result of two rounds of cell division. Chromosome pairing, crossing over, and recombination occur in the parent cell during meiosis. By moving and trading genetic material between homologous chromosomes, this genetic recombination boosts genetic diversity.
It results in the development of uncommon allele combinations, resulting in genetic variety in the progeny. Homologous chromosomes join up and cross over during the first division of meiosis to exchange genetic material. After that, they split into two haploid daughter cells that have a mixture of DNA from both parents. These daughter cells divide once more during the second division, resulting in a total of four haploid cells with each having half as many chromosomes as the parent cell. The gametes are these haploid cells.
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Which ties to the Calvin cycle because it gives photosynthesis a pathway of light reactions and dark reactions.
Answers
Answer:
What is the link between the light reactions and the Calvin cycle during photosynthesis?
Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH. The Calvin cycle, which takes place in the stroma, uses energy derived from these compounds to make GA3P from CO2
An animal with sharp teeth likely ate
A
nuts.
B
meat.
C
grass.
D
leaves.
Answers
ANSWER:
Animal with sharp teeth can easily eat meat.
For example:Lion has sharp teeth that are very strong and sharp,that if they kill their prey the lion would be able to easily open the prey body and eat the meat.Other eaxmple:leopard.THATS MY ANSWER(B)
1.If some cells in your Gram stain are red/pink rods and some are purple cocci, __________.
If some cells in your Gram stain are red/pink rods and some are purple cocci, __________.
a. the bacteria ferment sucrose
b. you should inoculate an EMB agar plate
c. your unknown is a species of Escherichia
d. your unknown bacterium is a pleomorphic species
e. your smear was not made from a pure culture
2.In a clinical laboratory, all microbes contained in a clinical sample are isolated and identified.
In a clinical laboratory, all microbes contained in a clinical sample are isolated and identified.
A. True
B. False
3.If a yellow halo is present around a colony on a mannitol salt agar (MSA) plate, the bacterium cannot ferment mannitol.
If a yellow halo is present around a colony on a mannitol salt agar (MSA) plate, the bacterium cannot ferment mannitol.
A. True
B. False
Answers
1. If some cells in your Gram stain are red/pink rods and some are purple cocci your smear was not made from a pure culture. The correct answer is option(e)
2. It is true that In a clinical laboratory, all microbes contained in a clinical sample are isolated and identified.
3. It is false that If a yellow halo is present around a colony on a mannitol salt agar (MSA) plate, the bacterium cannot ferment mannitol. MSA is a selective and differential agar used to isolate and distinguish Staphylococcus species, most notably Staphylococcus aureus. Mannitol is a fermentable sugar in the agar, while phenol red is a pH indicator. Acid is produced as a result of fermentation by Staphylococcus aureus, which can ferment mannitol. The acid generation causes a reduction in pH, which causes the pH indicator to shift colour from red to yellow. As a result, a yellow halo around a colony on an MSA plate indicates that the bacterium can ferment mannitol.
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why do you think people that are homozygous (tt) for the dominant allele have a much stronger bitter taste?
Answers
Choose the best answer, based on what you know about the path of blood flow.
The right side because it has the job of pumping blood through the constricted pulmonary vessels
decreased activity of the sympathetic nervous system
increased PNS activity and decreased SNS activity
Vasoconstriction increases peripheral resistance (also called vascular resistance).
Answers
a becase i think so so so so so
Which operon displays both positive and negative gene regulation? a) Trp operon b) Lac operon c) Both Trp and Lac operons d) None of the above
Answers
The operon that displays both positive and negative gene regulation is the Lac operon. This operon is regulated by the presence or absence of lactose and glucose in the environment.
When lactose is present, it binds to the repressor protein and causes it to detach from the operator site, allowing for transcription of the genes. This is an example of positive regulation. On the other hand, when glucose is present, it inhibits the production of cyclic AMP (cAMP), which is required for the binding of the activator protein to the promoter region.
This is an example of negative regulation. Therefore, the correct answer is b) Lac operon.
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a beekeeper's hives are located in an orchard where the bees gather nectar to produce honey and simultaneously pollinate the orchard, which increases the yield of fruit. this benefits:
Answers
A beekeeper's hives are located in an orchard, where the bees gather nectar to produce honey while also pollinating the orchard, increasing fruit yield. Both the beekeeper and the orchard owner benefit from this (option D)
A beekeeper and an orange orchard owner have a mutually beneficial relationship. Because bees make honey from orange blossom pollen, the beekeeper benefits from locating his hives in the orchard. Because bees pollinate his trees, the orchard owner benefits from having beehives in his orchard. There is a positive externality that is reciprocal.
And another case, a beekeeper lives near an apple orchard. The bees benefit the orchard owner because each hive pollinates approximately one acre of apple trees. The orchard owner, on the other hand, pays nothing for this service because the bees come to the orchard without his intervention.
So, both the beekeeper and the orchard owner get benefit from this
The question is incomplete, it should be:
A beekeeper's hives are located in an orchard where the bees gather nectar to produce honey and simultaneously pollinate the orchard, which increases the yield of fruit. This benefits:
A) only the owner of the orchard.
B) only the beekeeper.
C) the beekeeper, but it creates a negative externality because the bees are a hazard to
the orchard owner.
D) both the beekeeper and the orchard owner.
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Which cycle is represented in this image?
A. Nitrogen cycle
оо
O B. Water cycle
O C. Oxygen cycle
O D. Carbon cycle
SUBME
Answers
The given image represents the oxygen cycle. The correct option is C.
What is oxygen cycle?The biogeochemical cycle that describes the movement of oxygen within and between the Earth's atmosphere, biosphere, and lithosphere is known as the oxygen cycle.
Oxygen is constantly produced and consumed in various parts of the cycle, with photosynthesis, the process by which green plants and some bacteria convert carbon dioxide and water into organic compounds and oxygen, serving as the ultimate source of oxygen.
The oxygen produced during photosynthesis is released into the atmosphere and used by living organisms for respiration, which is the breakdown of organic compounds to release energy and carbon dioxide.
Human activities, such as the burning of fossil fuels and deforestation, can have an impact on the oxygen cycle by altering the balance of carbon dioxide and oxygen in the atmosphere.
Thus, the correct option is C.
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Your question seems incomplete, the probable complete question is:
Which cycle is represented in this image?
A. Nitrogen cycle
оо
O B. Water cycle
O C. Oxygen cycle
O D. Carbon cycle
Which would be the best evidence that a cell is using active transport to move a substance across its cell membrane? ATP is being rapidly consumed near the cellular membrane.
Answers
The statement that represents the best evidence that a cell is using active transport to move a substance across its cell membrane is ATP is being rapidly used near the cell membrane.
Active transport may be defined as a type of transport that occurs against the concentration gradient. This type of transport is generally mediated by carrier proteins. Metabolic energy is used in order to migrate ions or molecules against the concentration gradient.
Active transport typically leads to the accumulation of solute on one side of the membrane. Channels and carrier proteins are used in facilitated diffusion which is a type of passive transport. So, option D is eliminated.
Therefore, ATP being rapidly used near the cell membrane is the statement that represents the best evidence that a cell is using active transport to move a substance across its cell membrane.
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In 1908 a third member joined the entente cordiale to produce the triple entente. which country was this third member?
Answers
The answer is Russia.
Russia is the third country that joined the entente cordiale in 1908 to form the triple entente. The other two members were Great Britain and France.
What is triple entente?
The Russian Empire, the French Third Republic, and the United Kingdom of Great Britain and Ireland have an informal arrangement known as the Triple Entente (from the French entente meaning "friendship, understanding, and agreement"). It was based on the Anglo-Russian Entente of 1907, the Entente Cordiale between Paris and London in 1904, and the Franco-Russian Alliance of 1894. In opposition to the Triple Alliance of Germany, Austria-Hungary, and Italy, it created a potent counterweight. As opposed to the Triple Coalition or the Franco-Russian Alliance itself, the Triple Entente was not a defensive alliance.
Because the Entente was not a defensive alliance like the Triple Alliance or the Franco-Russian Alliance, Britain was free to pursue its own foreign policy in 1914. Eyre Crowe, a representative of the British Foreign Office, noted "Of course, the Entente is not an alliance, and that is the main fact. It might be discovered to have no substance at all for the purposes of absolute crises. For the Entente is nothing more than a state of mind, a common perspective on general policy between the governments of two nations, yet it may become so nebulous as to lose all meaning."
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The world’s coasts are being urbanized at a very rapid rate. It is estimated that more than half of today’s world population live in coastal areas (within 60 km from the ocean) and this number continues to rise. Coastal areas are also the most visited by tourists across the globe. Which of the following threats to the ocean is most likely NOT posed by human actions?
Answers
Answer:
Pollution of water with waste, and all sorts of chemical elements. It is also worth considering that the amount of garbage in the oceans is increasing many times over. This will lead to strong consequences.
Which topic do biologists ask questions about and study using scientific methods?
A)Planets and stars
B)The meaning of existence
C)Living things and the environment
D)The value of science
Answers
Answer:C
Explanation:
Answer: C. Living things and the environment
Explanation: It's correct!
are trees producers?