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Questions and Answers
What percentage of the total landmass do plants cover?
What percentage of the total landmass do plants cover?
- 20%
- 50%
- 40%
- 30% (correct)
What is the main source for balancing the oxygen level in the atmosphere?
What is the main source for balancing the oxygen level in the atmosphere?
- Plants (correct)
- Fungi
- Animals
- Bacteria
Which type of plants do not have roots?
Which type of plants do not have roots?
- Mosses and liverworts (correct)
- Ferns and conifers
- Flowering plants
- Algae and lichens
What is the main function of roots?
What is the main function of roots?
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What percentage of the plant’s productivity do plants account for?
What percentage of the plant’s productivity do plants account for?
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