What is the line of longitude used as the origin in a system of coordinates called?

What is the process where water carries materials from upper horizon down to lower levels

The high specific heat of water means that land masses near the equator are: cooler than predicted because of all the heat carried by ocean waters from low to high latitudes.

Explain how the combination of agricultural water waste, industrial water waste, and municipal water waste are dangerous when combined.

Approximately what percentage of the world's rock record is attributed to turbidity currents?

How does erosion change the physical surface

Describe the Great Barrier Reef. Why is this site considered one of the world's most important ecosystems?

The diameter of a circle is 5.5m. Find the area of the circle. Give the exact value

Which of the following clouds has the highest base? a. stratocumulus b. cirrocumulus c. altocumulus d. nimbostratus

What kind of map will show you where communist governments are located in the world?

Russia is located in a ___ biome