Acompass is actually a
a. piece of metal with a static charge.
b. piece of unmagnetized steel.
c. small magnet on a pivot.
d. stationary magnet. 9. the

Plants can have a positive and negative effect on the rate of weathering

What benefits does this type of farming have?

The first atomic explosion was detonated in the desert north of alamogordo, new mexico, on july 16, 1945. what percentage of the strontium-90 ( yr) originally produced by that explosion still remains as of july 16, 2016?