I'm not completely sure but I think the answer is the last one. The living things need water because it is a major component of a cell membranes answer.
Answer:
The celestial poles are imaginary lines that trace the Earth's rotation axis in space. ... Because of this, constellations and stars close to the celestial poles, such as the Big Dipper, can be used to estimate time during the night.
Explanation:
When warming temperatures gradually melt sea ice over time, fewer bright surfaces are available to reflect sunlight back into the atmosphere. More solar energy is absorbed at the surface and ocean temperatures rise. This begins a cycle of warming and melting.
