Scientific evidence indicates that the CO2 added to the air by the burning of wood and fossil fuels is contributing to global warming, a rise in global temperature. Tropical rainforests are estimated to be responsible for approximately 20% of global photosynthesis, yet the consumption of large amounts of CO2 by living trees is thought to make little or no net contribution to the reduction of global warming. Explain why this might be the case. (HINT: What processes in both living and dead trees produce CO2?)
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Scientific evidence indicates that the $\mathrm{CO}_{2}$ added to the air by the burning of wood and fossil fuels is contributing to global warming, a rise in global temperature. Tropical rain forests are estimated to be responsible for approximately $20 \%$ of global photosynthesis, yet the consumption of large amounts of $\mathrm{CO}_{2}$ by living trees is thought to make little or no net contribution to reduction of global warming. Explain why this might be the case. (Hint: What processes in both living and dead trees produce $\mathrm{CO}_{2} ?$ )
Caroline M.
Why does deforestation cause global temperatures to rise? Select one: Trees release oxygen into the atmosphere. Too much oxygen in the atmosphere causes global warming. Trees release nitrogen into the atmosphere. Too much nitrogen in the atmosphere causes global warming. Trees remove water vapor from the atmosphere. Water vapor is a greenhouse gas that causes global warming. Trees remove carbon dioxide from the atmosphere. Carbon dioxide is a greenhouse gas that causes global warming.
Adi S.
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