The uniformitarian principle states that:
landforms were created by fast changes.
catastrophic events very likely changed the earth's surface.
slow processes of erosion and deposition created landforms.
the earth was once completely covered with water.

Which of the following steps is not likely to take place during cellular respiration? (5 points) select one: a. oxygen combines with carbon of simple sugar. b. energy molecule transfers energy to cells. c. simple sugar breaks down. d. energy is used up.