Explore: use the gizmo to create a path for carbon that begins and ends in the atmosphere. Fill in the steps in the path below. Then, label each location with the system it represents. Finally summarize briefly how the carbon atom got to that location

answer: blah

explanation:

bc blah

your spelling is a little off : ]

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project