Which statement is true? a) geothermal power plants use the renewable resource of heat from within the earth to generate electricity. b) hydroelectric energy uses the energy from the sun, which is a renewable resource. c) oil is a nonrenewable resource that is hardly ever used, so there is not a concern of depleting the earth's supply. d) solar energy is a nonrenewable resource that is used by many countries all over the world.

Describe uniform velocity and variable velocity in short

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?