How do plants absorb light energy from sun

What happens to water when it changes Into ice?

Which of the following statements about wind energy is not true? a. Wind energy is a nonrenewable energy resource. b. Wind energy is used to sail ships. c. Wind energy is not reliable. d. Windmills are currently being used to provide energy.

If the current through R1 is 2A what is the current through R2

Which of the following is a true statement about recycling? Recycling allows resources to be reused, instead of dumped in landfills. Recycled products emit oxygen into the atmosphere. Recycling causes the earth to cool down, instead of warm up.

What can you expect from moving 5500 feet higher?

A uniformly charged thin ring has radius 15.0 cm and total charge 23.5 nC. An electron is placed on the ring's axis a distance 30.5 cm from the center of the ring and is constrained to stay on the axis of the ring.

Some people refer to nuclear power as "clean energy." Why do they make this argument? Do you agree or disagree? Explain your answer.

What does thermal energy mean?

Oil having a density of 924 kg/m 3 floats on water. A rectangular block of wood 3.79 cm high and with a density of 970 kg/m3 floats partly in the oil and partly in the water. The oil completely covers the block.

Where does the energy that is used to ride a bicycle up a hill come from and how is it classified?