What empire was not part of the silk road

Me plzzz what is the ratio of water than falls on land as compared to the amount that falls onto the oceans? what role do clouds play in regulating earth’s energy balance? me plzzz

Describe the characteristics of the nile river and the river’s importance to the people of egypt. write a paragraph of at least 5 complete sentences.

Which of the following types of tourist are best to bring money to the local southeast asian communities