What percent of earth's liquid surface freshwater is found in rivers? a.) 0.9% b.) 2% c.) 11% d.) 87%

The impact of a large asteroid comet with earth has been proposed to have caused the extinction of the dinosaurs. the impact site of this comet is in or near

Which statements about wells are true? check all that apply. a) wells bring groundwater from the unsaturated zone to the surface of the water. b) wells need to be drilled below the water table. c) if water is pumped from a well too quicky, the well may run dry. d) water from wells is generally not safe to drink. e) water gushes from artesian wells due to pressure.

Heyi am new to are you all americans? ( just want to know , i don't mean any offence ) ?