LECTURE QUIZ 2                                           PRINT NAME CLEARLY --->

1.  Which one is true of the Gaia theory
a.  Life has no impact on the physical world
b.  The physical world has no impact on life
c.  The physical earth and life co-evolve
d.  Both b and c

2. Which of the following was first responsible for our oxygen atmosphere
a. ferns
b. flowers
c. cyanobacteria

3.  Which is NOT true of a giant redwood tree
a.  it is an illustration of the Gaia theory
b.  99% of it is dead
c.  99% of it is alive

4.  Which is NOT true of minerals
a.  naturally occurring
b. inorganic material
c. definite chemical compound
d. all the above are true

5. Rocks
a. are aggregates of minerals cemented together
b. have a definite crystalline structure
c. are silicates

6. Granite is what kind of rock
 a. igneous
 b. sedimentary
 c. metamorphic

7. Erosion
 a.  Is the steady breaking up of large chunks of rock into smaller pieces
 b.  Can be caused by acidic waters will dissolve some minerals
 c.  Is the movement of rocks and soil by water,
 glaciers, wind, gravity

8. 97% of all the surface water is in the ocean and is SALTY. T or F

9.  Most fresh water is found in lakes. T or F

10. England is likely to end up in a deep freeze if this cycle is disturbed
a. Surface circulation of water
b. Deep-ocean circulation
c. Evaporative cycles of water

e.c. Where is most water on Earth found?
 

ANSWER SHEET- write answers below.
USE CAPITAL LETTERS A, B, C, D

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E.C.