Answer:
Environment
Explanation:
In a research study, internal validity refers to how well an experiment was carried out and to what extent the piece of evidence supports a claim.
The lesser the chance of confounding in a study the higher the internal validity.
Study of memory is possible through learning the electrical activity created by neurons.
Therefore, thunderstorm will affect the readings hence it is an Environmental threat to the internal validity.
Answer:
<u><em>The answer is</em></u>: <u>Lack of vitamin B12 in the body, and peripheral neuropathy</u>.
Explanation:
Anemia <em>is a condition whereby the hemoglobin count is decreased in red blood cells.
</em>
In pernicious anemia, <em>symptoms may take a few months to a year to complete, until the body's</em> vitamin B12 stores have been depleted.
<u><em>Some of the symptoms are:
</em></u>
- <em>Numbness of arms and legs also known as</em> peripheral neuropathy.
<u><em>The answer is</em></u>: <u>Lack of vitamin B12 in the body, and peripheral neuropathy</u>.
Insurance and surgical costs
Answer: HIV is the virus that attacks the immune system and AIDS is when HIV is in a severe phase, causing big damage to the immune system.
Explanation:
HIV: Known as the human immunodeficiency virus, it is the one that causes HIV infection.
AIDS: This disease is caused by HIV, and it is the most advanced stage of HIV.
It is important to explain that because a person has HIV it does not mean that they will contract the AIDS disease since to get to AIDS they have to be a person who did not take care of when they were diagnosed with HIV. The reasons why a person can contract the HIV virus are: having unprotected sex, since it is not known if either person is a carrier of the virus. Blood transfusions are also a means of spreading the disease and also injecting drugs and sharing needles. Some illnesses that a person with the HIV / AIDS virus can have are tuberculosis, pneumonia, and toxoplasmosis.
False. it is at the end of its elongated tail
