A hazard is a danger or risk.
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Answer:
a
Explanation:
greenhouse gases is what caused global warming and climate change
In semiconservative DNA replication, each new double helix that will form will have 1 polynucleotide strand that is from the old DNA molecule and is an Old or Parent strand, and will have a polynucleotide strand from the newly synthesized one, the new DNA strand.
Answer:
the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
