Who was the famous indian astronomer who discovered that earth revolves on an axis?

Choose all that apply during the years of the industrial revolution 1. the average life expectancy decreased 2. the worlds population decreased 3. birth rates decreased 4. the average like expectancy increase

Who did president kennedy choose to be the director of the peace corps? a. his brother ted kennedy b. his sister jean kennedy c. his brother-in-law sargent shriver d. his sister-in-law joan kennedy

There are no written records of the first migration of humans to the americas? true or false