Aworker is holding a filled gas cylinder still. which two sentences are true about the energy of the filled gas cylinder?

it has no energy because it’s being held still.

it has gravitational potential energy because of its height.

its atoms and molecules have thermal energy.

it has motion energy because it will fall if let go.

its kinetic energy is being converted to potential energy.

State the below theories and give the name of the writer of the theory 1. wave theory 2. quantum theory 3. corpuscular theory 4. electromagnetic theory

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?

1which body contains the majority of the mass in the solar system earth jupiter the moon the sun 2 what keeps the objects in the solar system such as planets orbiting around the sun the force of gravity the galaxy exerts on all objects within it including the solar system the great distance between the sun and the planets the sun's nuclear fusion which acts on each object the gravitational force between the sun and each object in the solar system