Richard feels that the increasing use of fuels such a coal or diesel to generate electricity are leading to pollution in his neighborhood. He therefore decides to use solar energy as a source for generating electricity. Which device should Richard use? A.
internal combustion engine
B.
electric motor
C.
photovoltaic cell
D.
AC generator

Sara is creating an experiment. her hypothesis states the following. if i increase the air in my tires, then i will get better gas mileage. if this is her hypothesis what column titles do we need in our date table? a. air pressure in tire (psi) and gas mileage (mph) b. air pressure in the atmosphere (psi) and gas mileage (mph) c. miles (m) and gallons per mile (g) d. old battery and new battery

Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear

Describe uniform velocity and variable velocity in short