Which of the following phase changes would absorb energy as it occurs?

solidifying

melting

freezing

condensing

Asap. this question is 100 points if you answer it question: describe the basic relationship between ocean depth and temperature seen in the graph

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient

Which of the following is a feature of all cells? o a. all cells have a nucleus. o b. all cells have dna for at least part of their life cycle. het . o c. all cells are spheres. o d. all cells have a rigid cell wall.