Which of the following was not a way to increase energy efficiency? a. putting insulation in your home b. recycling c. using public transportation d. using low heat lightbulbs

i think that the best answer would be c.

tell me if im wrong : )

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.