What do you think is the work of an environmental scientist?

Answers

Answer 1

Answer:

Environmental scientists gather samples and observational data in the field and conduct tests in the lab. For example, they often analyse water and soil for pollution caused by industry and agriculture. They will test water, soil or air samples to find the type, concentration and source of the pollution.

Explanation:

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Related Questions

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What was the objective of the pringle lab study?

A) to determine where the different antelope species spent most of their time


B) to track the migration routes of the different antelope species


C) to determine how so many similar species of large mammals can exist together in the same place


D) to determine what species of animals the lions ate

Answers

Explanation:

Im not sure, but I think C)

Can you describe what you did in the lab?

Explain why the steroid hormone estradiol (MW 272) readily crosses membranes by simple diffusion but the much smaller H requires transport proteins

Answers

Answer:

Estradiol has a higher partition coefficient than H+ ions

Explanation

Estradiol is a non-polar and hydrophobic molecule that has a higher partition coefficient than H+ ions, it means that the cell membrane is more permeable to this molecule because it can dissolve in and diffuse within the hydrophobic phase of the membrane. The movement of polar charged molecules (even small H+ ions) requires the input of energy to be able to dissolve within the lipid bilayer. In consequence, the movement of H+ ions requires proteins capable of transporting these protons through the membrane.

Define coefficient to show its scientific meaning

Answers

Answer:

In science, a coefficient is a constant term related to the properties of a product.  In chemistry, when you see a number in front of a chemical like 2H2o, you're looking at the coefficient.

The zika virus was first identified in Uganda in 1947. The virus is transmitted from person to person by a bite from a mosquito. It is commonly carried by the Aedes mosquito which is prevalent throughout Central Africa. The virus has more recently spread to the Americas (South, Central, and now North) and is expected to spread to Europe. There is a concern that the virus may reach epidemic proportions. Zika virus is related to yellow and dengue fever. Common symptoms are low grade fever and a distinctive skin rash and other symptoms include vomiting, headache, and muscle and/or joint pain. Pregnant women should avoid traveling to areas known to have zika virus present because the virus is known to cause microcephaly and developmental difficulties related to the central nervous system. Based on the paragraph above, class discussions, and other VALID (be careful with your selection of e-materials! CDC – Center for Disease Control is a good place to start) sources of information please answer the following questions. State a reason why the virus has spread to the Americas and likely to spread to Europe. Define the term microcephaly. What bones of the fetal skull would be affected by zika? Specifically, what area of the CNS is not fully developed in microcephalic individuals. In 1 -3 sentences describe the developmental difficulties of microcephalic individuals. How does one know if they have contracted zika? Do men need to be concerned about contracting zika? How does one avoid contracting zika? In a short paragraph (2-5 sentences!) provide one example of a scientific measure that could possibly control the spread of zika and explain how the measure works (controls the spread).

Answers

Answer:

1.Most people infected with the Zika virus have no signs and symptoms, while others report mild fever, rash and muscle pain. Other signs and symptoms may include headache, red eyes (conjunctivitis) and a general feeling of discomfort. Zika virus is also called Zika or Zika virus disease. 2.The frontal and parietal bones, but not the occipital bone, collapse over the injured brain. Almost all of the children had prominent calcifications in the brain. Unlike in children infected with cytomegalovirus, periventricular calcifications are the exception in children infected with Zika virus. 3.No they should not be worried.

Explanation:

helpppppppppppppppppppppppppp

Answers

Answer: B

Explanation:

As the temperature rises, the graph shows that the solubility increases

what will most likely happen if the plankton population decreases in this ocean system​

Answers

Answer: The shrimp population would decrease.

Explanation:

which fungi has single cell​

Answers

Yeasts are known as single celled fungi. Around 1,500 species of fungi are recognised as yeasts.

compounds formed from the attraction of oppisitely charged ions are called ________.
A. covalent compounds
B. ionic compounds
C. mineral compounds
D. molecular compounds ​

Answers

Answer:

B. ionic compounds

Explanation:

When glucose is used as an energy source, the largest amount of ATP is generated by the ___________ of the entire respiratory process.

Answers

Answer:

electron transport chain

Explanation:

it generates the most

Chain is the correct answer

Which is an example of a polygenic trait?

Answers

Answer:

Polygenic traits are traits that are controlled by multiple genes instead of just one. The genes that control them may be located near each other or even on separate chromosomes. Some examples of polygenic traits are height, skin color, eye color, and hair color.

Answer:blood type in humans and birth weight calves

Explanation:

10. What changes during a chemical reaction between two compounds?
A. number of atoms
B. chemical bonds
C. total mass
D. total energy

Answers

Answer:

I think it's chemical bonds I'm not of that helped

The changes occurs in chemical bond during a chemical reaction between two compounds. The correct option is B.

What is chemical bond?

A chemical bond is a long-lasting point of attraction among atoms, ions, or molecules which then allows chemical compounds to form.

Ionic bonds are formed by the electrostatic force between oppositely charged ions, whereas covalent bonds are formed by the sharing of electrons.

A covalent bond is the strongest bond in chemistry. In such bonding, each atom shares electrons that bind them together.

The bonds that hold molecules together break apart and form new bonds during chemical reactions, rearranging atoms into different substances.

Each bond requires a different amount of energy to break or form; without this energy, the reaction cannot occur, and the reactants remain unchanged.

Thus, the correct option is B.

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what effect would constriction of the blood vessels have in the body

Answers

Answer:

higher blood pressure

Explanation:

when the vessels constrict they get smaller therefore in order for the blood to be pumped through the body the heart would have to work harder resulting in a higher blood pressure

Answer:

increased blood pressure resulting in risk of heart attack

Read each question carefully. Write your response in the space provided for each part of each question. Answers must be written out in paragraph form. Outlines, bulleted lists, or diagrams alone are not acceptable and will not be scored.
White blood cells called B cells produce proteins that can be used for the treatment of certain illnesses. However, these B cells do not live for very long on their own. To keep the B cells growing for a long time in laboratories, scientists fuse the B cells with cancer cells (fused B-cancer cells) that do grow for a very long time. The particular cancer cells used for the fusion are treated with chemicals that make them unable to produce the nitrogenous bases adenine and guanine, but the B cells with which they are fused do produce these nitrogenous bases. The scientists grow the large fused B-cancer cells in a growth medium that contains necessary nutrients for the cells and includes a source of carbon.
(a) Describe the role of carbon in biological systems.
(b) The membranes of both B cells and the cancer cells are largely composed of phospholipids. Explain how, when the membranes are fused, the polar parts of the phospholipids from one cell will interact with the phospholipids from the other cell and how the nonpolar parts of the phospholipids from one cell will interact with the phospholipids from the other cell.
(c) Make a claim about the most immediate effect on the fused B-cancer cells if the fused cells are transferred to a growth medium that lacks a source of nitrogen.
(d) Provide reasoning with evidence based on the composition of biological macromolecules to support your claim.

Answers

Answer: they can be ruduce

Explanation:

Why does photosynthesis occur at the upper surface of the leaf than the lower surface

Answers

Answer: The sunlight hits the upper surface of the leaf, and sunlight is crucial to the photosynthesis process. The leaves trap the energy and use it to create glucose.

True or false?
Density is equal to the mass of an object divided by its volume.

Answers

Answer:

True

Explanation:

The formula for density is

p = m/v

density = mass ÷ volume

List the following structures from largest to smallest: proton pump, nuclear pore, cyt c ribosome,
nucleus.

Answers

Answer:

Nucleus

Nuclear pore

Proton pump

Cyt C Ribosome

Explanation:

The nucleus of the cell is the largest of all of these structures, all of the others are located inside the nucleus of the cell or interact with it, the nuclear pore is a pore in the nucleus that allows the transport of proteins through the membrane, the proton pump passes through the nuclear pore, and a Ribosome is a protein that transports nutrients, so that would be the smallest.

The order from largest to smallest is nucleous>> >> ribosome >> nuclear pore >> proton pump >> Cyt C.

The nucleus is the organelle that contains the genetic material in a eukaryotic cell, whereas ribosomes are protein factories.

The nuclear pore is a  structure that allows the passage of certain molecules between the cytoplasm and the nucleus.

The proton pump is an integral protein-membrane, whereas Cyt C is a mitochondrial protein.

In conclusion, the order from largest to smallest is nucleous>> >> ribosome >> nuclear pore >> proton pump >> Cyt C.

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SELECT ALL THAT APPLY. Which two elements make up the water cycle?*
2 points
Carbon
Sulfer
Nitrogen
Gold
Phosphorus
Hydrogen
Oxygen
Helium
This is a required question

Answers

Answer:

Maybe

hydrogen and oxygen

Random mutations can occur in an organism's DNA, causing traits that are different from other organisms in that species. Sometimes these mutations can cause problems for the organism, but other times they are beneficial. What is a possible benefit to a random mutation in an organism?

Answers

Answer: It can increase an organism’s chances of surviving

Explanation:

Identify the "stomach" of the cell that breaks down waste and digests organelles that are not needed​

Answers

Answer:

Lysosomes

Explanation:

A lysosome is an organelle that contains enzymes that break down and digest unneeded cellular components, such as a damaged organelle.

do dicot and monocot leaves have different adaptations?

Answers

Answer:

Yes. Monocots have leaves with parallel venation, and dicots have leaves with reticulate, net-like venation. Describe an example of a plant with leaves that are adapted to cold temperatures. Conifers such as spruce, fir, and pine have needle-shaped leaves with sunken stomata, helping to reduce water loss.

Explanation:

I looked it up I'm not actually that smart lol

Monocots have leaves with parallel venation, and dicots have leaves with reticulate, net-like venation. Describe an example of a plant with leaves that are adapted to cold temperatures. Conifers such as spruce, fir, and pine have needle-shaped leaves with sunken stomata, helping to reduce water loss

You are performing an experiment with Primase, using a specific DNA template. In this experiment, you provide NTPs (ATP, UTP, CTP, GTP) which contained only one radioactive phosphate group, in the alpha-phosphate position (the alpha- phosphate is the one attached to the sugar. the other phosphates are beta and gamma). After RNA synthesis occurs, you separate the resultant RNA strand any of the NTPs that have not been incorporated into the RNA, and measure the radioactivity of the newly synthesized RNA.A) In this experiment, would you expect the newly synthesized RNA be radioactive? Explain why.B) If you forgot to add CTP when you did the experiment, would the resulting RNA be radioactive?C) If you did the experiment, with all the NTPs provided, but only the beta phosphate was radioactive for each of the NTPs, would radioactivity be found in the RNA? Explain why.D) If you did the experiment, with all the required NTPs, but only the ATP was radiolabelled Would radioactivity be found in the RNA? Explain why.

Answers

Answer:

(a). Yes.

(b). RNA becomes Radioactive.

(c). No.

(d). It depends. If the gamma phosphate and beta phosphate are not labeled, then the RNA will have certain degree of radioactivity.

Explanation:

So, let us do right into the explanation behind the answers to the questions asked.

(a). The answer to this part of the question is "Yes" because in creating or in the formation of the glycosidic bond, all the alpha phosphate group were taken into consideration that is they were all used, thus making the newly synthesized RNA to be radioactive.

(b). The RNA becomes Radioactive is the answer to this part of this question because CTP is needed in the experiment.

(c). The answer to this part (c) of this question is ''No'' because the only thing that takes part in bonding is the alpha phosphate.

(d). It depends. If the gamma phosphate and beta phosphate are not labeled, then the RNA will have certain degree of radioactivity.

Bill once had a blue car that was in the shop more than it was on the road. Since
then he will not even consider owning a blue car. Bill's aversion to blue cars is
an example of:

Answers

Answer:

artificial made

Explanation:

because it is greated by man not God

What is the protozoan and who is the first to observe one?

Answers

Answer:

Protozoa is an informal term for a group of single-celled eukaryotes, either free-living or parasitic, which feed on organic matter such as other microorganisms or organic tissues and debris. Anton van Leeuwenhoek was the first person to see protozoa, using microscopes he constructed with simple lenses. Between 1674 and 1716, he described, in addition to free-living protozoa, several parasitic species from animals, and Giardia lamblia from his own stools.

When substances are constantly moving
back and forth across a cell membrane, the
cell is said to be in a state of?

Answers

The diffusion of water molecules a secectlvely permeable membran.

The diffusion of water molecules a secectively permeable membrane.

What is Diffusion?

The net passive movement of molecules or particles from areas of higher concentration to areas of lower concentration is known as diffusion. There needs to be a concentration gradient for diffusion to happen.

The dissimilarity in the quantity of solutes, particles, or molecules between the two locations will drive them to travel between the two regions.

The gradient created by the uneven particle concentration between two fluids will cause the particles to move in order to balance the discrepancy in concentrations. However, solutes do not migrate in a single direction during the diffusion process.

Therefore, The diffusion of water molecules a selectively permeable membrane.

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From what age are the earliest discovered paintings of swimmers?

Answers

Answer:

The paintings are estimated to have been created during the Neolithic 8,000 years ago.

Can someone help meee ...

Answers

Answer:

Change fishing methods

Explanation:

Limiting how they fish and how many fish they catch would help the population

The fascia found on the surface of the muscle is called the superficial fascia.
True
False

Answers

I think the answer is true

How big of an advantage does a variant of a gene have to give to start becoming more common in a population?

1. Greater than 0%

2. Greater than 5%

3. Double

Answers

Answer:

The correct answer is 1. Greater than 0%. An allele to become common must have a frequency of at least 0.005%

Explanation:

A polymorphic gene has more than two alleles. The more alleles there are in a population, the more polymorphic the gene is.

In a polymorphic gene, the allelic frequency of the most common allele must be minor of 99%, while the less common allele must have an allelic frequency superior to 0.005%. If any allele does not reach this frequency in the population, it is not considered to be common. In fact, it is considered to be a rare allele.        

Annie is herding cattle when one of them gets spooked. What is the likely reaction of the herd? A they will all become agitated B they will not react to a single cow C they will follow the direction of the handler D they will try to protect the spooked cow​

Answers

Answer:

A

Explanation:

Answer:

the answer is D, they will all become agitated

Explanation:

i got it wrong and it showed the correct answer

In a given strand of dna the number of thymines

A. Is same as the number of uracils

B. Is double the number of guanines

C. Is double the number cytosines

D. Is the same as the number of adenines

Plz answer ASAP

Answers

D. Is the same number of adenines

Thymines and Adenines will always pair together.

:)
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