Why did independent city-states develop in ancient greece? choose all answers that are correct. a. some of the city-states were isolated because they were islands. b. independent city-states provided protection against attack from other countries. c. the mountains separated groups of people from one another. d. people depended on the many navigable rivers for travel and communication.

I think the answer is B and C Im doing the Unit test rn

Explanation:

valentina tereshkova

soviet cosmonaut valentina tereshkova became the first woman to fly to space when she launched on the vostok 6 mission june 16, 1963. valentina tereshkova was the first woman to go into space. in 1963, she spent almost three days in space and orbited earth 48 times in her space capsule, vostok 6.jan 22, 2018