Ineed ! i finished the first 2 questions its just the last three questions that i'm having trouble with. this is the anatomy 2.02 assignment.

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above