90% of Chinese live on less than 20% of the land, heavily
concentrated in the East and on the coasts. Why would this
be?

Why does physical weathering speed up the processes of chemical weathering? a) physical weathering requires abundant water, as does chemical weathering. b) physical weathering produces fresh surfaces for chemical weathering to attack. c) chemical weathering can occur only on small surfaces, not large ones. d) chemical weathering requires salt, which is provided by salt wedging.

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