51 The greenhouse gases such as carbon dioxide (CO₂), methane (CH4) or water vapor (H₂O)Select one:a. are not naturally present in the atmosphere but their concentration increases in the atmosphere becauseof the melting of the iceb.are not naturally present in the atmosphere but their concentrations tend to decreaseare naturally present in the atmosphere and they help to keep the mean temperature on earth around 15°Cd. are naturally present in the atmosphere but they have nothing to do with the depletion of the ozone layere. are naturally present in the atmosphere so they can not be involved in climate changeC.

Green house gases Green house gases are those which absorb the radiation from the sun and emit these…

The greenhouse gases such as carbon dioxide (CO₂), methane (CH4) or water vapor (H₂O) Select one: a. are not naturally present in the atmosphere but their concentration increases in the atmosphere because of the melting of the ice b. are not naturally present in the atmosphere but their concentrations tend to decrease C. are naturally present in the atmosphere and they help to keep the mean temperature on earth around 15 °C d. are naturally present in the atmosphere but they have nothing to do with the depletion of the ozone layer e. are naturally present in the atmosphere so they can not be involved in climate change

The greenhouse gases such as carbon dioxide (CO₂), methane (CH4) or water vapor (H₂O) Select one: a. are not naturally present in the atmosphere but their concentration increases in the atmosphere because of the melting of the ice b. are not naturally present in the atmosphere but their concentrations tend to decrease C. are naturally present in the atmosphere and they help to keep the mean temperature on earth around 15 °C d. are naturally present in the atmosphere but they have nothing to do with the depletion of the ozone layer e. are naturally present in the atmosphere so they can not be involved in climate change

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter57: Biological Diversity And Conservation Biology

Section: Chapter Questions

Problem 8TYU

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which is the currently CO2 content of Earth'satmosphere is approximatelyA. 1%.B. 20%.C. 25 ppm.D. 330 ppm.E. 600 ppm.
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