How might history have been different if the cultures of europe and the americas had never come into contact with each other?

Japan is a group of four islands off the coast of asia. what effect do you think has had on the lives of the japanese?

What is the mercury length of time for one revolution around the sun?

In a constitutional monarchy, the king or queen a. is a symbol of the nation b. runs for office c. controls the legislative branch d. has absolute control