Answer:
From The School of Biomedical Sciences Wiki. Complementary base pairing is the phenomenon where in DNA guanine always hydrogen bonds to cytosine and adenine always binds to thymine. The bond between guanine and cytosine shares three hydrogen bonds compared to the A-T bond which always shares two hydrogen bonds.
Answer:
In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46.
Explanation:
Pesticide could be a biological hazard for sure.
The correct answer is animal waste and fertilizers