To boil water it requires heat , what happens to the heat when the water cools down as energy can neither be destroyed nor be created ?

What happens to light waves from a star as the star moves away from earth?

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer