Groundwater . exists above the earth's surface is impossible to pollute forms when precipitation seeps into the soil is not a usable water source for humans

it is a learned trait

explanation:

answer: oof wait

explanation:

as in mitosis, dna replication occurs during interphase.   in meiosis, it occurs specifically in s phase of interphase 1.

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.