Answer:
78 percent
Explanation:
The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.
Answer:
1.Earth
2.tidally
3.spin
4.Kuiper
5.A solar nebula forms when the gas and dust are pulled together in a spinning disk. Particles began to clump together due to gravity, and larger chunks of material exert more gravity on nearby dust and gas. These chunks of material grew faster and formed planets or moons. Denser elements such as iron settled closer to the center of the solar nebula.
Explanation:
this is for penn foster
Answer:
Oceanic crust is thinner and denser than continental crust.
Arthur si warm enough ti suportarla lige