Increasing levels of carbon dioxide in oceans makes them _______ acidic. This change affects the ability of marine organisms to form protective shells made up of _______ carbonate.
A) more; phosphorus
B) more; calcium
C) more; magnesium
D) less; calcium

Question

Quizplus · Accepted Answer

Increasing levels of carbon dioxide in oceans lead to more acidic conditions, which affects marine organisms' ability to form shells made of calcium carbonate.

Increasing Levels of Carbon Dioxide in Oceans Makes Them _______