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Biology, 21.06.2019 20:00
How did the miller-urey experiment impact the way scientists think about the origins of life? use what you know about the miller-urey experiments to discuss the factors needed for life to arise, and speculate on whether life could arise on another planet.
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Which short-term environmental change is most likely to lead to ground shifting, landslides, and the collapse of buildings or roads? forest fires flooding earthquakes
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Biology, 22.06.2019 21:00
Brass gets discoloured in air because of the presence of which of the following gases in air? a. oxygen b. hydrogen sulphide c. carbon dioxide d. nitrogen
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Biology, 23.06.2019 05:30
What force draws the matter in an interstellar cloud together to form a star? question 4 options: electric gravity magnetism friction
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Convert this number to scientific notation: 20000000...
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