Question

ocean ph increases at depth because
decomposition and salinity
decreasing temperature, increasing pressure and less respiration
more respiration and calcium carbonate
decreasing pressure and buffering

Explanation:

As ocean depth increases, temperature decreases and pressure increases. Also, there is less respiration by marine organisms at greater depths. These factors contribute to an increase in ocean pH. Decreasing temperature and increasing pressure affect the solubility of carbon - containing compounds, and less respiration means less carbon - dioxide release which is acidic.

Answer:

decreasing temperature, increasing pressure and less respiration