Which energy source is a nonrenewable resource?

oil
sun
trees
wind

The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information

Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon

If a simple machine reduces the strength of a force, what must be increased?