What term refers to a landmass made up of many continents?

In what nation did high school seniors return to class this week, though dozens of schools closed two hours after they opened because of coronavirus concerns?

Why are some sedimentary rocks hard and others soft?

Which nation has suffered from civil war? a. Tajikistan c. Uzbekistan b. Kazakhstan d. Turkmenistan

The technique called radiometric dating is based on A) the formation of radioactive molecules in rocks after they are deposited. B) the use of fossils of known age to determine how fast carbon-14 decays.

True or false zambia is bordered by sea?

Why is southern California so densely populated?

Humans can impact the Earth in both positive and negative ways. Cutting down forests, mining for resources, and creating factories that produce toxic gases are several of the negative ways that humans can affect the environment.

The aging process of a star is know as

If the perimeter of a regular decagon is 65, what if the length of each side?

What is the capital of south america country of brazil?