Which one of the following is not used to generate electricity? A. Solar energy
B. Geothermal energy
C. Biofuels energy
D. Wind energy​

Bernie drove home from a vacation in 1.5 hours. he traveled a total distance of 60 miles. what was his average speed in miles per hour? a. 60 mph b. 90 mph c. 40 mph d. 55mph

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of