The temperature is 5°c below zero.

which integer represents this temperature?

+5
−5

100mg magnesium reacts with 20ml of 1.0m hcl

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.

Is this correct if not can u correct me