What would be a primary source for the Age of Exploration

Space is not completely empty. there are small particles in space. what happens when these particles come together?

What challenges did the united states face during the great depression? check all that apply. high debt high wages high unemployment a decline in the value of money and goods increased job stability failures of businesses and banks

1. suppose you're an attorney. in a case you're presenting to a federal court, you argue that the person you're defending suffered cruel and unusual punishment. which amendment of the constitution should you cite? a. amendment iv b. amendment viii c. amendment iii d. amendment ix