Researchers are experimenting with various techniques
for preventing the accumulation in water of high levels
of nitrogen, which can kill plants and animals.
(A) nitrogen, which can kill plants and animals
(B) nitrogen; plants and animals can be killed
(C) nitrogen, that is what can kill plants and animals
(D) nitrogen, they could kill plants and animals
(E) nitrogen, and they can kill plants and animals

Respuesta :

Researchers are experimenting with various techniques for preventing the accumulation in the water of high levels of nitrogen, which can kill plants and animals.

Who are Researchers?

A person performing research is known as a researcher, and they may have a formal work title to indicate this. Social scientists or scientists in the natural sciences work as researchers. One needs to have in-depth knowledge of the social science field in which they have chosen to focus in order to be a social researcher or social scientist. Similarly, someone who wants to work as a researcher in the subject of natural science needs to be knowledgeable in that field (Physics, Chemistry, Biology, Astronomy, Zoology and so on).

Other terms that could be used to describe a researcher include researcher (horse), racehorse, researcher (R103), and an American oceanographic research vessel.

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