Which increases the rate of soil formation? A. mixed layers
B. more precipitation
C. cooler temperatures
D. very hard parent material

What are similarities and differences between refraction, reflection, diffraction and absorption?

Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?