One reason is for safety! in case you get stranded in a body of water you can keep yourself afloat
Bodily functions that help keep it stable. Like sweating when your are hot keeps your body at a cooler temperature rather then burning up.
20. The answer is 1 (Precambrian)
21. The answer is 4 (Pennsylvanian)
22. The answer is 2 (Bony Fishes, Dinosaurs, and Mammals)
23. The answer is 2 (Reptiles)
The Ethics of Using Human Embryonic Stem Cells in Research. Assume for the sake of argument that it is morally impermissible to destroy human embryos<span>. It does not follow that all research with HESCs is impermissible, as it is sometimes </span>permissible <span>to benefit from </span>moral<span> wrongs.</span>
Answer:
A symbol that indicates the sedimentary rocks (for example, salt rocks).
Explanation:
The sedimentary rocks are formed through time by cycles of evaporation and the consequent deposition of minerals. In the case of salt rocks, for example, they are generated by the accumulation of layers of salt in the seashore through the movement of the sea waves, i.e., by the evaporation of seawater and subsequent accumulation of salt.