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KaiCaster
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Compared with dull and rough rock surfaces, shiny and smooth rock surfaces are more likely to cause sunlight to be…
my answer
1 answer
1,995 views
In recent years, scientists have been concerned about decrease in the ozone content of earth’s upper atmosphere. What is the
0 answers
600 views
What prevents life from developing on land before Earth’s atmosphere contained a significant portion of oxygen?
(1) All land
0 answers
831 views
If atmospheric pressure is 30.40 inches of mercury, what is the air pressure in millibars?
(1)1016 mb (2)1028.3 mb (3)1029 mb
0 answers
1,212 views
