The hydrolysis of atp by the na+-k+ pump, or na+-k+ atpase, provides the energy needed for the active transport of

7th grade question (easy) look at the diagram of the food web. the arrows mean eaten by. what would happen if the number of snakes went down? answer choices are in the image.

What are charcteristics of lithosphere?

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation