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This section includes 1 Mcqs, each offering curated multiple-choice questions to sharpen your Biology Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
1. |
What percent of the total oxygen in the Earth’s atmosphere is released by the Amazon forest? |
A. | 50 % |
B. | 20 % |
C. | 40 % |
D. | 2 % |
Answer» C. 40 % | |