The hellenistic scientist archimedes applied principles of physics to make practical inventions. wrote a textbook that became the basis for modern geometry. studied the causes of illness and looked for cures. developed a theory of a sun-centered solar system.

Brainliestttme : ) why was the launch of sputnik in 1957 important? -most in the u.s. had not thought the soviets were capable of producing satellite technology. - it made clear that the u.s. space program was dominant. - most in the soviet union had not thought the u.s. was capable of launching manned aircraft. -it established the fact that a more dangerous hydrogen bomb could be created.

Why did the north agree to the missouri compromise? a.) it allowed maine to enter the union as a free state. b.) it repealed the fugitive slave law. c.) it allowed california to enter the union as a free state. d.) it banned slavery in the northwest territory.

The rulers of the west african kingdoms expanded their lands by