Limestone is a sedimentary rock composed primarily of calcium carbonate (CaCO3) in the form of the mineral calcite. It most commonly forms in clear, warm, shallow marine waters. It is usually an organic sedimentary rock that forms from the accumulation of shell, coral, algal, and fecal debris.
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this probably isn't a real answer but if I were a dig I would love the fact I could pee anywhere
Storing energy as a fat allows the energy to be conserved long-term. The organism can store a large amount of energy while being insulated.
*some living things store energy as both carbohydrates and lipids
Natural selection, is based upon the principle of "Survival of The Fittest" ensures that those who are more well adapted, especially having a better immune system, will survive. and the weaker ones will die out. Human evolution made the human immune system even better as time went by, and the system was more well adapted to diseases it was more exposed to like the Europeans were more resilient to smallpox than the native americans
False, only some . Hope this helps !
