Answer:
Mg₃(PO₄)₂
Explanation:
Note: The phosphate ion is PO₄³⁻
3Mg⁺² + 2PO₄³⁻ => Mg₃(PO₄)₂
Answer:
D. 4, 3, 2.
Explanation:
Oxygen exists as the molecule O2. So it is:
4Fe + 302 ---> 2Fe2O3
Answer:
Plants take carbon dioxide out of the atmosphere, but they also have other effects, such as changing the amount of evaporation from the land surface. ... The plants absorb carbon dioxide for photosynthesis through the same pores (called stomata). But when carbon dioxide levels are high, the leaf pores shrink.
Explanation: