Rocks A and B have the same porosity of 36%. Rock A has water flowing through it, whereas rock B does not. What could account for the difference

What is the amount of organic matter in all living organisms in a habitat called?

All of the following came out of china and were exchanged along the silk road, except a. papermaking b. block printing c. buddhism d. compasses select the best answer from the choices provided a b c d

Which city area has the most accessible oil reserves a) caspian sea b) siberia c)arctic coast d)lake baikal