What forces are responsible for keeping the planets in orbit around the sun

3. lithuania, latvia, and estonia all signed a peace treaty with germany in 1996 signed a pact with russia in 1996 were admitted to the european union in 2004 were damaged by the chernobyl explosion in 1986

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 is the thickest layer of earth called?