Answer:option d
Explanation:Ocean acidification is the ongoing decrease in the pH of the Earth's oceans, caused by the uptake of carbon dioxide (CO. 2) from the atmosphere. Seawater is slightly basic (meaning pH > 7), and ocean acidification involves a shift towards pH-neutral conditions rather than a transition to acidic conditions (pH < 7).
A. marine
- as water covers of majority of earths surfaces . HOPE THIS HELPS U WELL
Letter B. is the correct answer
Mark as brainleast plzzz
It means hot liquid or semifluid.