Negative feedback: If blood pressure is high, the blood vessels should A. dilate (open up more)
B. constrict (get tighter)

7th grade question (easy) look at the diagram of the food web. the arrows mean eaten by. what would happen if the number of snakes went down? answer choices are in the image.

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Plz quick a natural resource that is replaceable through a cycle in nature or sustainable practice is called a? the subject is science