The circumference of the Earth is approximately 40,075 kilometers.
How many significant figures are
there in the numerical value?

F500 j of energy were added to 1 kg of each of these samples, which would experience the least temperature increase?

Which type of basaltic lava flow has a fairly smooth

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