The political economists, building on the work of Adam Smith, believed that labor should be contracted freely, without interference from trade guilds or unions.

In which ocean gyre are the largest accumulations of man-made litter found?

All of these countries were part of the Quadruple Alliance EXCEPT

When a ball is thrown straight up, the acceleration is upward.

Which of these was NOT a key component of nineteenth century liberal belief?

Nineteenth century conservatives, like Edmund Burke, opposed virtually all changes.

There are a few different types of volcanic structures on the ocean floor. What is a seamount?

By the 1700s, what state served as a buffer zone between Austria and Ottoman Turkey?

With what process do the organisms that form the base of the food chain at the hydrothermal vents produce their food?

Incoming water waves often “break” as they reach the shore. Which is not part of the process that causes this to happen?