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Nikolay [14]
3 years ago
13

How does the hydrosphere affect the ozone depletion

Biology
1 answer:
den301095 [7]3 years ago
3 0

Answer:

Ozone depletion greatly affects the hydrosphere. When ozone depletion occurs, thereis a 6 to 12%reduction in the marginal ice zone. This means that ice caps melt, and all of the polar bears drown. Also, solar UVB radiation has been found to cause damage to early developmental stages of fish, shrimp, crab, and plankton.

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What does the prefix<br> "homo-" mean? (As in<br> homeostasis)
saul85 [17]

Answer:

the same

I think I believe it does

8 0
3 years ago
In northern Canada a population of rabbits was predominantly white in color. The allele for white color is recessive while the a
polet [3.4K]

Answer:

B

Explanation:

Directional selection tends to evolve towards one specific trait. In this example, white rabbits no longer have a competitive advantage because of disappearing snow. This means they are more easily spotted by predators, resulting in reduced fitness and less chance they will live to reproductive age and pass their recessive white alleles on.

Natural selection will favor the gray colour allele, increasing the frequency oft this previously rare allele.

6 0
3 years ago
Calculate the population size of a heard of elephants for a year.
amid [387]

Answer:

the reproduce by putting the male representative organ in the female reproductive organ

4 0
1 year ago
Describe the general types of diagnostic tests used to diagnose patients infected with HIV.
GenaCL600 [577]

AIDS

This disease leads to death by weakening the immune system of the human body.  Common symptoms are related to the nervous system like dementia, anxiety, depression and insomnia.

TESTS

The tests for AIDS are discussed below.

The most common test for any disease is the blood test.  

When human body is infected with the virus, the body produces anti-bodies to combat this infection. The blood test is positive if these anti-bodies are present in the blood sample of the infection person. However, it takes time for these anti-bodies to appear in the blood stream, hence, blood test should be done at regular intervals.

The tests specifically developed for AIDS are as follow.

ELISA or Enzyme-linked immunosorbent assay

If this test is positive, this is followed by a Western Blot test. The blot test is done in order to confirm the disease.

As said before, anti bodies take time to develop. If the test is done during this phase, it will be negative despite of the presence of virus in the blood stream.

HOME

Only one home test is approved. This is called Home Access Express Test. The kit of this home test is available at pharmacies.

SALIVA

The saliva from the patient’s cheek is obtained on a cotton pad. This pad is put in a vial which is then sent to the lab for testing.  If the result is positive, blood test is done to confirm the disease.

VIRAL LOAD

As the name suggests, this test measures the quantity of virus present in the blood. This test is done to either test the presence of HIV or to track the progress of the treatment of HIV.

WESTERN BLOT

This test is done when the result of ELSA test is positive. This test confirms the disease.

All the above test if turn out negative and the patient still doesn’t recovers, this testing should be done periodically until the disease is confirmed.

6 0
2 years ago
Which statement best describes the role of DNA?
Margaret [11]

Answer:

DNA

It transmits genetic information to the next generation

Explanation:

5 0
3 years ago
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