Question Over time the density of salt in surface waters can increase.
What is the cause of this increase?
A. evaporation
B. precipitation
C. condensation

Please Help I Have A Unit Test!
Thank You!!

diagram is missing, but i will try to explain your doubt.

answer:

amplitude is the maximum displacement or distance moved on a point of a vibrating body or wave measured from its equilibrium position.it is equal to half the length of vibration path.

the answer is b i think

the answer is ampere

the ampere is used to measure electricity. an ampere is a unit of electric current equal. a unit of measure for the flow of current in a circuit. one ampere is the amount of current flow provided when one volt of electrical pressure is applied against one ohm of resistance.

a skateboard rolling across the street - apex