Thirteen countries in Africa are building a green Great Wall, hoping that the forests will absorb more carbon dioxide as they stop the Sahara from expanding.（ ）
举一反三
- Trees absorb carbon dioxide from the air, which can increase greenhouse gases.
- Why is more earth's heat blocked from escaping with more carbon dioxide in the atmosphere A: Carbon dioxide prevents the sun's energy from going back into space. B: Carbon dioxide radiates the sun's energy onto the earth. C: Carbon dioxide produces more heat in the atmosphere. D: Carbon dioxide takes in the sun's energy at infra-red wavelengths.
- Plants ___________ carbon dioxide from the air.
- Plants （ ） carbon dioxide from the air and moisture from the soil.
- 1-14. Plants __________ carbon dioxide from the air.