The heat generated by this absorption is emitted as longwave infrared radiation, some of which radiates out into space. The solar radiation (the energy) that passes through earth's atmosphere is either reflected off snow, ice, or other surfaces by the earth's surfaces
It is symbiosis, but also called a commensalism relationship because the remora is getting its food and the shark has no benefit.
It makes sure they are in perfect condition for it to go through the cell cycle easier
Gravitational pull is measured in G's