Answer:
Chemical reaction
Explanation:
Chemical changes happens when a substance combines with another to form a new substance (or unexpected color, temperature or smell), called chemical synthesis or, alternatively, chemical decomposition into two or more different substances
Explanation:
G A T and C are all bits of DNA (deoxyribonucleic acid)
G stands for Guanine A stands for Adenine C stands for Cytosine and T stands for Thymine, when Guanine is in the DNA it always pairs with Cytosine creating G-C and the same is for Thymine and Adenine, when they are sequenced in such a way it just shows how the DNA is placed.
<span>The bacteria is likely from the sewage coming from the park's waste pipelines. The excess nitrogen would probably be from the pesticides used to control insects that the park sprayed around the outside of the pond.</span>
