What type of physical weathering is caused when rocks scrape together, causing small pieces to break off?

Which statements about wells are true? check all that apply. a) wells bring groundwater from the unsaturated zone to the surface of the water. b) wells need to be drilled below the water table. c) if water is pumped from a well too quicky, the well may run dry. d) water from wells is generally not safe to drink. e) water gushes from artesian wells due to pressure.

Give three differences between oceanic and continental crust brainliest will be awarded

Under which condition below would u expect a coarse-grained intrusive rock like diorite to form?