It would be Eutrophication
Number 17 is C
Number 18 is A. -I am not to sure on this one.
Number 19- I feel like the answer should be metaphase, however that is not one of the choices.
Number 20- I feel like this one is C as well.
I hope this helped and please rate this as the brainliest answer.
No change. Change happens only when placed in a culture media.
Hope this helps you
Because, when more species start to become extinct it disrupts the balance of the earth. For instance if spiders became extinct, the numbers of insects would exponentially grow. Which will become a problem for farmers, and more diseases would most likely occur.
Guessing 2,270 species are listed as endangered or threatened are on the list, 151 are marine species
use the numbers from here : )