I think the answer is magnetic field?
Answer:
D
Explanation:
This creates a gap that we call an oceanic trench
:)
C is the correct answer since it outputs and inputs chemicals
Answer:
Hydration
Explanation:
In water, ions are surrounded by a sphere of water molecules called a hydration shell. The process of forming this shell is called hydration.
Answer:
Explanation:
The formula of calcium nitride is Ca₃P₂.
The masses of each element are:

So, there are 61.94 g of P in 182.18 g of Ca₃P₂.
In 500 g of Ca₃P₂:

There are
in 500.0 g of Ca₃P₂.