Question

1. how important are the oceans to the carbon cycle? explain.

Explanation:

The oceans act as carbon sinks through phytoplankton and air - sea gas exchange, regulating atmospheric CO₂ levels.

Answer:

The oceans play a crucial role in the carbon - cycle. They are a major carbon sink. Phytoplankton in the oceans perform photosynthesis, taking in carbon dioxide from the atmosphere and water. When these organisms die, they sink to the ocean floor, sequestering carbon. Additionally, the oceans dissolve a significant amount of carbon dioxide from the atmosphere at the air - sea interface. This helps regulate the amount of carbon dioxide in the atmosphere, which in turn affects climate.