What is the correct name for DNA?

How do oceanographers measure the salinity of ocean water?

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.

Name the two rivers that run through the fertile crescent. how were the rivers both positive and negative to societies of the fertile crescent?