A confined aquifer has a porosity of 10%, a compressibility of 3.8 x 10-7 m2/N, and a thickness of 25 m. What is the storativity of the aquifer

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?

How to calculate voltage drop in a series circuit