Environmental Science

Environmental Science

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Environmental Science Quiz

1 / 5

The geosphere makes up all the water on or near Earth's surface.

2 / 5

How many U.S. biodiversity hotspots are partly within U.S. borders?

3 / 5

The temperature of Earth's inner core is estimated to be between 4 000°C and 5 000°C.

4 / 5

What is the Endangered Species Act?

5 / 5

Seismic waves are sound waves that travel through air.

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Environmental Science Knowledge Test

1 / 20

What are epiphytes?

2 / 20

What is ecological succession?

3 / 20

Tropical rain forests cover less than 7 percent of Earth's land surface.

4 / 20

What happened at Mount St. Helens in 1980?

5 / 20

What are the two root causes of most environmental problems?

6 / 20

Where do corals live?

7 / 20

What pesticide endangered the bald eagle?

8 / 20

Almost all weather occurs in the troposphere.

9 / 20

The mesosphere is the warmest layer of the atmosphere.

10 / 20

The crabeater seal in the food web eats multiple types of organisms.

11 / 20

What happened when too many animals grazed on the commons?

12 / 20

What is germ plasm?

13 / 20

Scientists estimate that the rate of extinction has increased by 50 times since 1800.

14 / 20

Why are coral reefs important?

15 / 20

Why don't most conifers shed their needle-shaped leaves?

16 / 20

How many U.S. biodiversity hotspots are partly within U.S. borders?

17 / 20

What is conduction?

18 / 20

What is an exotic species?

19 / 20

The California Floristic Province has over 2,000 endemic plant species.

20 / 20

DDT is currently illegal to use and manufacture in the United States.

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