If earth rotated twice as fast as it currently does, but its motion around the sun stayed the same, then

Which of the following energy sources is not an example of renewable energy? a. a wind turbine farm b. a clean-burning, coal-fired electric plant c. a hydroelectric dam d. a solar panel mounted on a home

The european union was formally established in

What would have happened to portugal’s trade if they had not found a way to sail around the tip of africa