An abiotic factor that determines which organisms can exist in a marine environment is the A. amount of atmospheric moisture and variety of consumers.
B. amount of carbon dioxide and number of decomposers.
C. amount of oxygen and concentration of salt.
D. amount of algae and range of temperature.

Enzymes are proteins that speed up reactions by providing an additional energy source supplying additional molecules for the reaction removing inhibitors that slow down reactions lowering the amount of energy required

Which excerpt from the land, part 4 best supports the claim that paul is a talented horseback rider? a/“figure that says more than anything else! now, i want to ride that stallion! " b/my daddy shook his head. "paul only rides horses he knows. ” c/? i glanced over at the other rider. the fellow was older than i, and had the weight of a man on him. d/a man out of alabama, man name of ray sutcliffe, told my daddy i was such a good rider, he wanted me to ride some races for him.

Describe how a student should adjust the microscope to see the cells on a slide more clearly?