Moving water has been utilized in hydroelectric plants to , but in recent years negative environmental consequences have become known.
A.
provide heat to buildings
B.
generate electricity
C.
refine oil
D.
power train engines

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u