Once rock reaches a depth of about
__, it may melt.
O A. 500 m
OB. 1 km
O C. 750 km
O D. 50 km

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b. diffusion c. endocytosis d. exocytosisc. endocytosis

Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? a) catalysis b) metabolism c) anabolism d) dehydration e) catabolism

Which is a kingdom? protistachordataprokarya mammalia