D is the correct answer to this question
HIV is Human Immunodeficiency Virus which is a virus that may cause infection and it actually causes AIDS
AIDS or Acquired Immune Deficiency Syndrome suppresses the immune system and has no vaccine or cure. AIDS is the syndrome acquired due to HIV which can cause serious damage o your immune system that can bring up complications if you ever need to get surgery or generally have a weak immune system already<span />
Answer:
This means that by itself, the correlation doesn't say if more exercise causes longer sleep.
Explanation:
Jake has found a correlation in between the sleeping hours at night and the number of the time one spends on the exercising. He observe that longer he he spend exercising the more hours he spend in sleeping in night, however there is no scientific evidence that is explained by his psychology instructor that there is no cause and effect mean to this correlation.
Thus, the correct answer is : by itself, the correlation doesn't say if more exercise causes longer sleep.
It is important because adult know what they are doing and saying
