Researchers and doctors hope stem cell studies can help to increase understanding of how diseases occur, and to better understand how diseases and conditions develop.
The answer would be D, because conservation is the careful monitoring of a substance, and recycle uses the least amount of abuse on surroundings.
It is consistent with Punctuated
equilibrium. A theory that states that when a species show up in the fossil
record they will turn into a stable record, showing almost zero evolutionary
change through their geological history. When the species do change, this
change is rapid and split the species into tow rather than make the original
species evolve into another one.
Answer:
the forward edge of an advancing mass of air.
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Explanation:
Weight is how heavy or light it is