The end result of a chemical reaction is always: A. the formation of new kinds of elements.
B. the production of water molecules.
c. a substance that was not ope of the reactants.
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D. a molecule that does not have an electric charge.

The location of the stomach is the diaprham

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent

Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?