Secondary active transport
- is not carried out by membrane proteins.
- does not require the cell to invest energy, either directly or indirectly.
- is not directly linked to the hydrolysis of atp.
- does not link the pumping of one substance to the concentration gradient of another.
- cannot move a substance against its concentration gradient.

is not directly linked to the hydrolysis of ATP.

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

well

explanation: