Guys! i need URGENT help! So...Why does the addition of CO2 actually cause LESS CaCO3 to be made, and actually dissolve?
lol wut? pls help me!

When carbon dioxide dissolves in seawater, the water becomes more acidic and the ocean’s pH (a measure of how acidic or basic the ocean is) drops. Even though the ocean is immense, enough carbon dioxide can have a major impact. In the past 200 years alone, ocean water has become 30 percent more acidic, faster than any known change in ocean chemistry in the last 50 million years.

Explanation:

the backbone of the dna and rna compound is sugar phosphate.