Astudent estimated a mass to be 325 g, but the actual mass is 342 g. what is the percent error?
a) 7%
b) 5%
c) 6%
d) 8%

If we relied solely on the nonrenewable resources found in the u. s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal