2
refer to periodic table for explanation
Answer: only O is unbalanced
Explanation:
There are only 2 oxygen atoms on the left but in the right there are 4
Answer:
Structural
Explanation:
It is a structure that those organisms have that allow it to be better suited for a task or for that organism's environment.
If it is a big open wound you apply pressure
Answer:
Magnesium carbonate reacts with hydrochloric acid to produce magnesium chloride, carbon dioxide, and water.
Explanation:
CMgO3 + 2HCl => MgCl2 + CO2 + H20