A covalent compound would form when which two elements react? A. Zinc and Chlorine
B. Carbon and Oxygen
C. Sodium and Chlorine
D. Magnesium and Oxygen

How are rocks that cooled within magma chambers found on earth’s surface today? they are pushed up by magma under earth’s surface. they are revealed by erosion of earth’s surface over time. they are pushed to earth’s surface because of their larger size. they are revealed at earth’s surface due to their low density.

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

Which level of consumer had access to the smallest apply of energy