5. you are exploring in a cave and call out to one of your friends. you hear your echo. which interaction of sound, (reflection, refraction or absorption), caused the echo and how did the sound waves move? (5pts)

Brainliesttt answer in your own words. how did enlightenment ideas influence modern beliefs about the importance of education? support your answer with specific examples and evidence from the lessons.

Rivalries between european imperialist powers and the growth of european militaries contributed to which outcome in the early 20th century? o a. many european powers were eager to go to war with one another. o b. european states became less concerned about controlling overseas empires. o c. small countries became more willing to join powerful empires. o d. the alliance system that maintained a balance of power in europe broke down.

At the beginning of wwii, what action by winston churchill influenced hitler’s strategy?