They depend on nitrogen-fixing bacteria, which convert atmospheric nitrogen into a usable form.
Seems right, but if it’s just asking for one i would pick B
<span>The ionic charge of Calcium (Ca) in calcium carbonate (CaCO3) is 2+. CaCO3 has a neutral ionic charge sin CO3 has a 2- charge.</span>
Answer:
to determine of it is a solid liquid or gas.
Explanation:
The melting point is the temperature at which a substance converts from a solid state to a liquid state.
