Which drawing depicts the electron configuration of nitrogen?

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Amixture with the same composition throughout is!

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate