How many genes are in a virus DNA?

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.

When you start from a given set of rules and conditions and determine what must be true you are using blank reasoning

What do you call fast flowing water that goes over rocks