Which of these best defines weather?

Atmospheric conditions over 30-year period
Day-to-day condition of the atmosphere
Long-term condition of the atmosphere
Average atmospheric condition

it takes hundreds of years to become stable.

if you have another question lmk.

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.