Which of the following explains why water can support life below water? 1 Water is denser when frozen, protecting underwater organisms.
2 Water cools and heats very quickly to protect aquatic ecosystems.
3 Water can dissolve most substances in their solid, liquid, and gas form.
4Water cannot move against gravity; this keeps its molecules together.

answer: 2

explanation:

yes

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.