The answer is B. The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.
Answer:
the United States and the Soviet Union.
Explanation:
Basically we were in toe to toe with the russians for space explorations like who's gonna get to space first or moon or do such explorations
We need the map to be able to see it to help you .
Answer:
They all end up in the oceon
Explanation:
They allow us to see further and are able to focus on light from distant object. This is done by refracting or reflecting the light using lenses or mirrors.
