Hey, i need . answer this. match the term with the definition. match term definition atom a) a substance that cannot be broken down into a simpler substance element b) a unique form of matter in which it can exist particle c) the basic unit of an element phase d) a tiny piece of matter

Atom= C

Element= A

Particle=D

Phase=B

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.