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1.
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A.
Big bang theory occured
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2.
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B.
How are geological times dated accurately?
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3.
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C.
Concentration of heavy elements to make protoplanets is a process called what
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4.
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D.
Why is density stratification discussed here?
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5.
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E.
It is believed that life evolved where?
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6.
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F.
Our galaxy is made up of more than just hydrogen how did it get here?
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7.
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G.
Where did the salts in the ocean come from?
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8.
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H.
What are the three branches of life? what are the differences?
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9.
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I.
The seperation of objects according to their density.
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10.
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J.
why?
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11.
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K.
What are the oldest fossils found?
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12.
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L.
where is it theorized that the first live organisms arrived from? and where did they evolve?
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13.
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M.
movement from homogenous to heterogenous
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14.
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N.
summary of big bang
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15.
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O.
Early earth was termed proto earth and it had
-life? - activity? - continents? -oceans? |
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16.
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P.
originally the earth's surface was
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17.
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Q.
the clumping of dust and gas into a nebula causes what
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18.
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R.
Life is based on organics and up until now there were no organics. How was this mystery solved?
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19.
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S.
How do seismic activity prove that the earth is layered?
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20.
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T.
Atmospheres went through 3 phases. What were they?
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