Which processes help return water to the oceans and lakes? 1.photosynthesis, condensation, infiltration
2.water storage in ice, snow, atmosphere and ground
3.snowmelt, streamflow, ground-water discharge
4.evaporation, transpiration, sublimation

Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal response by in order to it's core temperature.

Why do mountaineers become breathless as they reach high altitudes