When calcium and chlorine react to form calcium chloride, which substance is reduced? *

calcium
clhorine
calcium chloride
not enough info

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.

Compare and contrast physical changes with chemical changes.

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.