Assume that water filling a crack in a rock undergoes cycles of freezing and melting. which of the following statement is true? a. water expands as it melts, causing the crack walls to be pushed apart. b. water expands as it freezes, causing the crack walls to be pushed apart. c. water shrinks as it freezes, causing the crack walls to be drawn closer together. d. water shrinks as it melts, causing the crack walls to be pulled closer together.

Read the paragraph below and answer the question that follows. "andy was asked to speak in a school assembly about a fundraising opportunity for a fellow student who had recently been diagnosed with leukemia. andy's stomach hurt and his hands were cold. "steady man," he thought. "you can do this. it's for tim. he needs our ." andy could picture the students wanting to get involved. it occurred to him now that he wasn't just giving a speech. he had something worthwhile to say. which strategies did andy use to reduce his apprehension? select all that apply." be prepared. use muscle relaxation techniques. get experience. think positively. focus on communicating to the audience.

Which statement presents a counterclaim to james cross giblin's viewpoint? egyptian hieroglyphs provide information about the country's history, medicine, science, and laws. the rosetta stone allowed people to read ancient egyptian writing. learning how to read hieroglyphs is the best way to understand the ancient culture of the egyptians. digging up ancient egyptian tombs teaches us more about the way people lived than hieroglyphs do

Why has there been an increase in the older population within our prisons?