Answer: Your answer is A. Falling.
Hope this helps!
Is it just only those qoustions
Virus culturing because it allows you to take the virus and control it so can put it into a vaccine
Lymphatic tissue. patches are small masses of lymphatic tissue found throughout the ileum region of the small intestine. Also known as aggregated lymphoid nodules, they form an important part of the immune system by monitoring intestinal bacteria populations and preventing the growth of pathogenic bacteria in the intestines.
