Question : Ocean acidification is the ongoing decrease in the pH of the Earth's oceans, caused by the uptake of __________from the atmosphere.
Option 1: methane
Option 2: carbon dioxide
Option 3: nitrogen
Option 4: argon
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Correct Answer: carbon dioxide
Solution : The correct option is carbon dioxide.
Ocean acidification is the global drop in seawater pH caused by the oceans absorbing significant amounts of carbon dioxide (CO2). The primary cause of ocean acidification is the massive amounts of CO2 that automobiles, industries, and agricultural activities release into the sky. The oceans have absorbed between one-third and half of the CO2 that humans have produced into the atmosphere since the start of the Industrial Revolution, which was around 1750.
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Question : Which of the following is not a greenhouse gas?
Option 1: Nitrogen
Option 2: Methane
Option 3: Carbon dioxide
Option 4: Nitrous oxide
Question : The highest volume of gases in the lower atmosphere is comprised of
Option 1: Hydrogen
Option 2: Carbon dioxide
Option 3: Oxygen
Option 4: Nitrogen
Question : Oxides of _____ and _____ dissolve in rainwater and form an acid called acid rain.
Option 1: Phosphorous, Sulphur
Option 2: Sulphur, Nitrogen
Option 3: Carbon dioxide, Methane
Option 4: Calcium, Magnesium
Question : 'Greenhouse effect' means
Option 1: Cultivation of crops in a greenhouse to conserve heat
Option 2: Trapping of solar energy due to carbon dioxide gases
Option 3: Trapping of solar energy by the Earth's upper surface
Option 4: Increase of heat due to atmospheric pollution
Question : Which one out of the following helps in burning?
Option 1: Oxygen
Option 2: Carbon monoxide
Option 3: Nitrogen
Option 4: Carbon dioxide
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