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drelog drelog
wrote...
Posts: 2711
8 years ago
A major obstacle the first land plants had to overcome was ________.
A) eliminating waste materials in the atmosphere
B) staying upright despite gravity and wind on land
C) finding food on land where there were no organic compounds
D) the large number of plant eating organisms on land
E) their lack of mobility because they needed water access
Textbook 
Earth Science

Earth Science


Edition: 14th
Authors:
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PulsaPulsa
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Posts: 1845
8 years ago
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drelog Author
wrote...
8 years ago
This works! Smiling Face with Open Mouth
ןnɟʎoɾ sʎɐʍן∀ Slight Smile
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