Question

1. approximately _______ of the anthropogenic co₂ pumped into the atmosphere has been absorbed by the oceans.

10%
30%
75%
50%
0%

Explanation:

Ocean acidification research indicates that approximately 30% of anthropogenic CO₂ is absorbed by oceans. This absorption affects ocean chemistry (e.g., increasing acidity as CO₂ reacts with water to form carbonic acid).

Answer:

30%