What part of the enzyme do the substrates bind to, and what temporary molecule is formed when this occurs

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

Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.

As a result of climate change earths temperature is rising and sea ice is melting what is a likely effect? answer : populations of walruses and polar bears will decline