A

al s3x the riskiest s3xual activity for HIV transmission. (Haha sorry for the pi and 3s it won't let me submit some of those words)
Answer:
The red blood cells will shrink in size when water diffuses out of them.
Answer:
C. This is an example of VNTRs.
Explanation:
VNTRs are Variable Number Tandem Repeats. These are short sequences of DNA repeated in tandem (that is, the sequences are repeated one next to the other) a certain number of times. Unrelated individuals have a different number of repetitions for a certain region of the DNA, therefore the total length of the fragment is variable among individuals, depending on how many times the short sequence is repeated.
From the food they intake in different ways such as Plants or other animals such as insects which are their fuel
Their mass because it can let you know their weight and size