Which activates a convection current, starting the flow of a fluid?

A. Cold temperatures at the North Pole

B. Heated liquids at earth's surface

C. iron-rich rocks in the mantle

D. temperature differences in the mantle

The united states falls within which category of the world's nations?

What does societies culture involve

Why is New York called the "Big Apple"?

Why do minerals rearrange into layers within a metamorphic rock

Tree is to forest as forest is to dunes is to

1. What is the trading route between the Indian Ocean and the Mediterranean Sea? 2. What lies between the Arabian Peninsula and India? 3. What is west of Yemen? 4. What is east of the United Arab Emirates? 5.

What types of areas are created by sinking, dry air at 30 degrees north or south latitude?

The us congress passage of the Homestead act in 1862 can be considered a pull factor that caused people to migrate to the us

Name the river that forms a border between the states of washington and oregon

Match the city in column 1 to its description in column 2. A. Shenzhen B. Tianjin C. Nanjing D. Guangzhou Located near Beijing; has agriculture and manufacturing. Former capital of China with rich history and culture; large manufacturing center.