The statement that sedimentary rock layers tend to be younger than the layers below them is called the a. theory of relativity b. principe of uniformitarianism c. law of superposition d. law of relative age

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.