If the nuclear membrane didn't exist, there would be a rule of what goes in the cell and what doesn't. Also bad germs or bacteria will get in the cell that will cause problems.
Answer:
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Explanation: I hope you have/had an amazing day today<3
Answer:
Option A, oxygen in the atmosphere
Explanation:
The highest level of oxygen reached during this phase of the geological cycle of earth. The oxygen level in Carboniferous period accounted for 35% as compared to 21% of oxygen in the atmosphere in present time.
Due to high oxygen content, the giant and wide varieties of terrestrial animal and plant species evolved. For example – size of insects and carwlies increased, plant became extremely giant, increase in number of tree ferns etc.
Answer:
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Explanation:
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