Arock in a harsh desert is slowly breaking down over time. temperatures in the desert rise quickly during the day and fall quickly at night. these temperature changes cause stress in the rock, and as a result, it is slowly breaking apart.
which of the following processes is happening to this rock?
a.
erosion by water
b.
physical weathering
c.
erosion by ice
d.
chemical weathering

Why the moon is not visible from earth during the new moon ?

Extensive and unusual cold snaps have occurred here recently. is this evidence that global warming is lessening or not occurring? no—although the long-term trend is for warming, short-term weather patterns can still be variable. no—melting of glaciers and ice caps is making the oceans cooler, which can cause cold snaps. yes-- if global warming really were occurring, cold snaps wouldn’t happen. yes—due to global warming, weather patterns should be become less—not more—variable.

Which of these is a drawback of using natural gas? a. it is fairly safe for use in homes. b. it burns more cleanly than crude oil products. c. scientists have developed new ways of extracting it. d. during its extraction, groundwater can be contaminated.