What are three things that affect an enzymes activity

Many kangaroo rats live in the sonoran desert of the southwestern united states. they have a variety of adaptations for living in the desert. under which circumstance would the kangaroo rats of the sonoran desert be most likely to develop new adaptations by natural selection?

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?