Answer: Positive effects: Disease prevention, agriculture, transplants, pharmaceuticals
Negative: Herbicides, pesticides, mutations
Explanation:
Animal phyla are primarily defined according to B. Patterns of embryologic development and adult body plans.
Answer: because the flu is not liquid it is air born even in your body it is airborn so it floats through your orgons and through any thing in its way even through the heart
Explanation:
I think it might be the first one: hiv infections. (hope this helps!)
The goal was to orbit a spacecraft around the Earth. It has people in it. So the answer is B.
