the inner layer of the earth
Answer: the answer should be 400x
Explanation: duh
Answer:
To move substances against a concentration or electrochemical gradient, a cell must use energy. Active transport mechanisms do just this, expending energy (often in the form of ATP) to maintain the right concentrations of ions and molecules in living cells.
Explanation:
Im pretty sure its diffusion hoped this helped if not my bad ;))
Over long periods of time, layer upon layer of sediments form, putting intense pressure on the oldest layers. Under great pressure and heat, lower layers of sediments eventually turn into rocks. Common examples of sedimentary rocks include sandstone, limestone, and shale.