Overuse of chemical fertilizers has resulted in the growth of some lawns in which decomposers cannot live . this would interfere most directly with the ability of the lawn ecosystem to ?

the answer is b.) hydrogen bonds between bases.

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.