Observe the different flow velocities using the coring machine and the flags. Where is the glacier
flowing the fastest and the slowest? Suggest a
reason for this difference.

the answer is c) abandoned properties that are contaminated with hazardous materials.

thinking it would be physical characteristics

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.