Why did early settlements first develop along rivers? people could mine for copper and gold. people could use tools to dig ditches. plants and animals were more abundant. floods provided water for crops?

Which pair of countries that gained independence in the 20th century experienced the migration of millions of people across their shared borders due to religious tensions?

What's all the U. S rivers

What are some natural resources in the northeast of America

If you dated a mineral from inside an igneous rock, what would that date indicate? How about from a sedimentary rock?

Satellites detect relative heights of cloud by sensing different levels of long wave (infrared) radiation emitted from clouds; i. e., colder clouds are normally higher in the air, and radiate less long wave energy than warmer, lower clouds. a.

What is the value of 5 in 751?

Two flat surfaces intrrsect to form a (n) ?

What is the process of converting sediments to rock called

Every few years earth passes through saturn's rings true or false

Identify one advancement from the industrial revolution that had a significant impact on agriculture, and discuss the benefits this advancement had on the industry