Environmental Sciences Quiz 28 (20 MCQs)

Quiz Instructions

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1. What part of a river system has salty water?

Correct Answer: A) Estuary.

2. Mathematical models can be useful for researching ecosystems that are otherwise difficult to study, such as .....

Correct Answer: A) A large-scale natural system with many variable/large data sets.

3. What causes clouds to form?

Correct Answer: B) Condensation.

4. ..... variables are kept constant in a scientific study.

Correct Answer: D) Control.

5. The organization of colleges and universities in the United States and Canada that promotes sustainability in higher education is called

Correct Answer: C) Comes.

6. Trees that lose their leaves every year.

Correct Answer: C) Deciduous Trees.

7. Where the ocean meets the land:

Correct Answer: A) Intertidal zone.

8. When a spruce tree is harvested so the wood can be used to build a house, the tree is providing

Correct Answer: B) A provision.

9. What did hunter-gatherers do to alter the environment?

Correct Answer: D) All of these are correct.

10. Which statement is a part of the cell theory?

Correct Answer: A) All cells come from preexisting cells.

11. This Earth system covers about 70% of the Earth.

Correct Answer: C) Hydrosphere.

12. When P waves leave the inner core and enter the outer core, they .....

Correct Answer: B) Slow down.

13. What is the definition of "Greenhouse Effect?"

Correct Answer: B) When the gases in Earth's atmosphere trap heat from the Sun and keep the planet warm.

14. What needs to be done first before proposing a solution to an environmental problem?

Correct Answer: D) Identify the specific causes of the problem.

15. In general, water use worldwide is dominated by

Correct Answer: A) Agricultural use.

16. The approximate population of the world today is .....

Correct Answer: D) 7.6 Billion.

17. The goal of sustainable development is to achieve harmonious development in which of the following areas?

Correct Answer: D) All 3 answers above.

18. Extinction contributes to a decrease in biodiversity.

Correct Answer: A) True.

19. What is the stable, final stage of succession?

Correct Answer: A) Climax community.

20. 97% of the water on earth is ....., making it undrinkable for humans.

Correct Answer: C) Salt water.