Algae growth and oxygen depletion in lakes and stream, and methemoglobinemia, caused by too much nitrate-nitrogen in drinking water.
What are the choices? But Carbohydrates are the main component of fruit and vegetables.
The answer is: B) silkworms.
“While sitting in her garden she deduced the secret of silk by watching the silkworms. She developed the process to remove the thread from the cocoon and set up silk cultivation farms and the weaving of the new cloth.” (Source: http://4kyws.ua.edu/SI_LING_CHI.html)
A biologist whose interest lies primarily in the study of plants or animals can be called a naturalist, although these days it's more likely she'll be called a natural historian, a botanist, or a zoologist.
MITOSIS is used to generate more cells. It is a kind of cell division that the new cells are identical.
