Answer:
D. ususally very abundant in an ecosystem
Explanation:
Most commercial phosphorus is produced by mining and heating calcium phosphate. Phosphorus is the eleventh most abundant element in the Earth's crust
Oxigen ,nitrogen ,carbon,and hydrogen.
Points c and d would have spring tides.
Answer:
Turns into a gas? Not much context to work off of. I don't know what is exactly being asked.
Explanation:
