10.3 CHAPTER 10. THE ATMOSPHERE
(e) Suggest ONE way inwhich YOU can help toreduce the emissions ofgreenhouse
gases.
- Plants need carbondioxide (CO 2 ) to manufacture food. However, the engines of
motor vehicles cause toomuch carbon dioxide tobe released into the atmosphere.
(a) State the possible consequence of having toomuch carbon dioxide inthe atmo-
sphere.
(b) Explain two possible effects on humans if the amount of carbon dioxide in the
atmosphere becomes too low.
(DoE Exemplar Paper Grade 11, 2007)
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(1.) 00mv (2.) 00mw (3.) 00mx
