Biology, 20.10.2021 20:50, kevo2024

For 100 Points! Which of the following factors are responsible for the annual rise and fall in carbon dioxide levels? (Several choices may be correct.)

A) fallen leaves decaying in autumn
B) consumption of more fossil fuels in the winter
C) plant growth in the spring
D) increase in surface temperature of the earth during summer

PS: I've tried A & D and B & D (they were both wrong)

Answers: 3

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For 100 Points! Which of the following factors are responsible for the annual rise and fall in car...