Question : Comprehension:
In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.
Human activities are changing Earth's natural greenhouse1. ________Burning fossil fuels like coal and oil puts 2. ________carbon dioxide into our atmosphere. NASA has 3. ___________increase in the amount of carbon dioxide and some other greenhouse gases in 4. ________atmosphere. Too much of these greenhouse gases can 5. ____________Earth's atmosphere to trap more and more heat. This causes Earth to warm up.
Question:
Select the most appropriate option to fill in the blank No. 5.
Option 1: effect
Option 2: reason
Option 3: source
Option 4: cause
Correct Answer: cause
Solution : The fourth option is correct.
Explanation : The sentence is stating that an excess of greenhouse gases has the potential to bring about a specific outcome. The word cause indicates that this excess is responsible for a particular effect, in this case, trapping more heat in Earth's atmosphere. It highlights the cause-and-effect relationship between the increased greenhouse gases and the heightened heat retention in the atmosphere.
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