Text ``The Greenhouse Effects

Ancient civilizations

Rock paintings

Cold places on Earth

The Nile River

3 miles

5 kilometers

10 skyscrapers

All of the above

13

5

3

10

United States, France, the Netherlands, Venezuela, and the United Kingdom

China, Russia, and Japan

Canada, Mexico, and Brazil

None of the above

5,000 years old

8,000 years old

13,000 years old

10,000 years old

What do the rock paintings found in the Sahara of northern Africa depict?

Ancient temples

Skyscrapers

None of the above

5,000 and 9,000 feet

1,500 and 2,700 meters

Both a and b

None of the above

Along the Nile River in Africa

In the continent surrounding the South Pole

In the Sahara of northern Africa

None of the above

Ancient temples

Skyscrapers

Rock paintings

None of the above

The continent surrounding the South Pole

The altitude range of the dry plateau region

The Great Wall of China

Ancient rock paintings in the Sahara of northern Africa