Is this statement true or false?

All gymnosperms lose their leaves in the winter.

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Displacement is the slope of a velocity vs. time graph a. true b. false