AP BIOLOGY

ECOLOGY

CHEMICAL CYCLES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one of these does not add CO2 to the atmosphere?
A
cooking with gas
B
planting trees
C
burning wood
D
riding in a bus
Explanation: 

Detailed explanation-1: -The Process of photosynthesis takes up Carbon dioxide and release oxygen. Hence photosynthesis does not add carbon dioxide to the carbon cycle.

Detailed explanation-2: -So, the correct option is ‘Photosynthesis by producers’.

Detailed explanation-3: -During the process of photosynthesis trees pull carbon out of the atmosphere to make sugar, but they also release carbon dioxide back into the atmosphere through decomposition. Carbon and other gases within forests are captured and released on a cycle.

Detailed explanation-4: -Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms.

There is 1 question to complete.