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alisha [4.7K]
3 years ago
15

Which characteristics best identify differences between intrusive and extrusive rocks?

Biology
2 answers:
wolverine [178]3 years ago
7 0
Extrusive come in the form of lava, intrusive comes in the form of magma.
FromTheMoon [43]3 years ago
7 0

Answer:

Intrusive rocks are derived from magma while extrusive rocks are derived from lava.

Explanation:

Intrusive rocks are formed when the magma cools down inside the Earth. Extrusive rocks are formed when lava cools down on the surface of earth. So, the characteristics best identify differences between intrusive and extrusive rocks is that intrusive rocks are derived from magma while extrusive rocks are derived from lava.

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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.

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ELISA or Enzyme-linked immunosorbent assay

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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.

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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.

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

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