How do astronomers recognize regions in the night sky? * A. by using constellations
B. by measuring apparent brightness
C. by using the Doppler shift of galaxies
D. by using naked-eye astronomy methods

While most people who lived in ancient egypt and the middle east avoided settling in nearby deserts, those regions protected them from their enemies. why do you think this was true?

What are some of the impacts of humans on the earth?

Select the best hypothesis explaining why countries may have preferred communism. communism promised jobs after the insecurities of war. communists forced the people to do what they said. communism was fueled by a dislike for democracy. communism provided economic freedom for businesses and workers.