Answer:
The process of elemental stratification relies on the diffusion velocity, which causes the migration of the different chemical elements within stars.
Explanation:
Answer:
An object has a negative charge if it's atoms have more electrons. On the other hand if an object had more protons, then it would have a positive charge.
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Answer:
That is a compound. If it was an element it would either just be Na or Cl.
Answer:
It is a example of erosion
Explanation: because pieces of rock erode making it unstable a causes a landslide
