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killian killian
wrote...
Silver Member
Posts: 6024
10 years ago
Which of the following general statements about Earth's atmosphere is not true?
A) The nitrogen and oxygen in Earth's atmosphere keep the surface pleasantly warm.
B) Gas high in the atmosphere absorbs dangerous X-rays from the Sun.
C) Without the relatively rare gas called ozone, Earth's surface would be bathed in dangerous ultraviolet light from the Sun.
D) The oxygen in our atmosphere was released by living organisms.
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Answer accepted by topic starter
padrepadre
wrote...
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Posts: 21610
10 years ago
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Mastering in Nutritional Biology
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killian Author
wrote...
Silver Member
10 years ago
Thanks sir
Smiling Face with Open Mouth
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