Warm-up routines increase body temperature. what other effect do they have on the body?
they increase blood flow.
they decrease blood flow.
they increase hydration levels.
they decrease hydration levels.

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