The level of carbon dioxide was measured in a garden and on a city road. Where do you think the carbon dioxide level will be higher and why?

AThe carbon dioxide level will be same at both places because the amount of carbon dioxide at all places on the earth is the same.

BThe carbon dioxide level in the city will be higher because the exhaust gases from vehicles release carbon dioxide and there are not many trees to utilize it.

CThe carbon dioxide level in the garden will be higher because of the many plants present which are constantly releasing carbon dioxide by photosynthesis.

Question

08-08-2016
Chemistry

Answered

The level of carbon dioxide was measured in a garden and on a city road. Where do you think the carbon dioxide level will be higher and why?

AThe carbon dioxide level will be same at both places because the amount of carbon dioxide at all places on the earth is the same.

BThe carbon dioxide level in the city will be higher because the exhaust gases from vehicles release carbon dioxide and there are not many trees to utilize it.

CThe carbon dioxide level in the garden will be higher because of the many plants present which are constantly releasing carbon dioxide by photosynthesis.

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The answer is the option B. The carbon dioxide level in the city will be higher because the exhaust gases from vehicles release carbon dioxide and thre are not many trees to utilize it. Explanation: the combustion of gas (a mixture of CH compounds) produce CO2 (carbon dioxide) which is released to the environment throuhg the exhaust of the vehicles. Plants use CO2 to produce O2 (photosynthesis) so the level of CO2 decrease where there are many plants, which is the case in a garden but not on a city road.