The phase change in which a substance changes from a liquid to a solid is a. freezing. b. melting. c. sublimation. d. condensation.

Which of the following electromagnetic waves can create ions?

Which metal exist in liquid state and can be cut with knife ?

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has: