Answer:
sulfur dioxide remains in the atmosphere for a long time, therefore, rapidly heating up the Earth.
Explanation:
And: Facilitated diffusion is a type of passive transport that allows substances to cross membranes with the assistance of special transport proteins. Some molecules and ions such as glucose, sodium ions, and chloride ions are unable to pass through the phospholipid bilayer of cell membranes.
B. CO2 levels in the atmosphere could increase and contribute to global warming problems.
The answer is <u>B.</u> <em>from carbon dioxide in the atmosphere</em>
Answer:
protein-coupled receptors.
