Question

which of the following is not a possible effect of increasing carbon dioxide levels in the atmosphere?
a. increase in water contamination and floods
b. ocean acidification
c. cutting down forests
d. reduction of cold-related deaths

please select the best answer from the choices provided

○ a
○ b
○ c
○ d

Explanation:

• Option a: Increased CO₂ causes climate change, leading to more extreme weather like floods, which can contaminate water. So this is an effect.
• Option b: CO₂ dissolves in oceans to form carbonic acid, causing ocean acidification. This is an effect.
• Option c: Cutting down forests is a cause of increased CO₂ (due to less carbon sequestration and release of stored carbon), not an effect of increased CO₂ levels.
• Option d: Warmer temperatures from increased CO₂ can reduce cold - related deaths. This is an effect.

Answer:

C. cutting down forests