As the carbon dioxide content increases in the atmosphere the temperature would increase and as a result :(a) the climatic belts will shift from equator towards pole, the vegetation would also shift away from the equator :(b) insects and pests will increase in the warmer climate conditions. Thus pathogenic diseases will multiply.State what is possible

• A. Only (a)
• B. Only (b)
• C. Both (a) and (b)
• D. Neither (a) or (b)