What is the difference between a point source and a nonpoint source of water pollution? a a nonpoint source is easily identifiable. b point sources tend to be agricultural. c point sources can be targeted for reduction. d nonpoint sources tend to be factory outputs. e nonpoint sources are less harmful to the environment?

Which process of living things produces water that enters the water cycle

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.