Most phosphates and nitrates in the Chesapeake Bay come from Agricultural runoff.
Answer: Three
Reason/Explanation:
The cat, you and the dog are all different populations. Together, there are three populations.
-DustinBR
Answer:
b
Explanation:
The answer is B becuase "where do people buy tools is not a scientific question, and neither is C.
Selective breeding is the traditional method for improving crops and livestock, such as increasing disease resistance or milk yield.
Genetic engineering is a faster way, which transplants genes for a desired characteristic into an organism. However, genetic engineering offers many potential benefits but carries the risk of unexpected harmful effects.
I would think that it is B or C