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Homework answers / question archive /   EAES 101 Planet Earth – Spring 2013 Lab Exercise 1: Blue Planet Video Questions   1

  EAES 101 Planet Earth – Spring 2013 Lab Exercise 1: Blue Planet Video Questions   1

Philosophy

 

EAES 101 Planet Earth – Spring 2013

Lab Exercise 1: Blue Planet Video Questions

 

1.What specifically makes our planet unlike any other planet that we know of?

2. How much of our planet is covered by water?

3. What 2 things does our atmosphere shield us from?

4. Mars has a feeble atmosphere that keeps it in an?

5. Venus has a very dense atmosphere that keeps it hotter than an oven?

6. Where did the H2O on planet earth originate from (as far as we know)?

7. What 3 things interact to sustain life on earth?

8. Why is Lake Natron red?

9. What do the algae in Lake Nutron feed on?

10. For more than 1 million years humans behaved as ‘hunter/gatherers’, what replaced this life sustaining behavior?

11. What allowed humans to develop a civilization based on agriculture?

12. In spacecraft the astronauts must use canisters to ‘clean the air’ of carbon dioxide (CO2). What two things on planet Earth naturally “clean” our air?

13.  ------------  and ----------  are in continuous cycles on planet Earth.

14. When viewing Earth from space, what color signifies abundant plant life?

15. What shapes the surface of deserts?

16. What can the study of ice cores tell us?

17. What three things mentioned do Earth-orbiting satellites provide humanity with?

18. Among the most dangerous and unpredictable weather events on Earth are?

19. Other catastrophic events more violent than the most violent of storms is an ---------. In fact it is thought to have wiped out the dinosaurs. 

20. Scientists visit the sea floor to examine oceanic ------- zones which are where the Earth’s crust is splitting apart due to tectonic plate movement.

21. Two of Earth’s plates converging (or coming together) has created what great mountain chain?

22. The San Andreas Fault is the result of the North American and the Pacific plates sliding past each other in opposite directions. As these plates slide past one another, great tension builds in the rocks and when this tension is finally released -----------  occur in the California region.

23. As agriculture increases more and more forests are cleared. Considering that trees hold topsoil in place, where does the topsoil go when there are no trees?

24. One-half of all species on earth can be found in the ------------- . Humans rely on this resource for foods and medicines.

25. How does ozone in the stratosphere help life at the surface?

26. How was the ozone hole over Antarctica created?

27. What specifically is the video referring to as “one” when it says “Each one has an integral part of the fabric of life”?

28. What are the most obvious features of the planet Earth as viewed from space?

30. What is the brightest surface of the planet Earth as viewed from space?

31. National boundaries are always clearly visible from space: true or false?

 

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