Which of These Is the Dominant Mechanism for the Removal

question 69

Multiple Choice

Which of these is the dominant mechanism for the removal of carbon dioxide from the atmosphere?

• A)subduction
• B)dissolving carbon dioxide in seawater
• C)formation of carbonate- rich rocks at the seafloor
• D)photosynthesis in plants

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Definitions:

Hydrophobic

Type of molecule that is typically nonpolar and therefore does not interact easily with water.

Hydrophilic

Type of molecule, often polar, that interacts with water by dissolving in water and/or by forming hydrogen bonds with water molecules.

Phospholipids

A type of lipid molecule that forms the main structure of cell membranes, composed of two fatty acids, a phosphate group, and a glycerol molecule.

Plasma Membrane

The lipid bilayer that encloses the cytoplasm of a cell, regulating the passage of substances in and out of the cell.