Question : Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Global warming is one of the biggest environmental (1)__________ facing the world today. The primary cause of global warming is the (2)___________ of greenhouse gases such as carbon dioxide and methane into the atmosphere. These gases trap heat from the sun, causing the Earth's temperature to rise. The (3)___________. effects of global warming are widespread and include more frequent and severe weather events, rising sea levels and the loss of biodiversity. Many governments and organisations have implemented (4)___________ to reduce greenhouse gas emissions. However, individuals can also play a role in (5)____________ global warming by making small changes to their daily habits, such as reducing their energy consumption and driving less.
Select the most appropriate option to fill in the blank no. 2.
Option 1: emission
Option 2: absorption
Option 3: reflection
Option 4: conduction
Correct Answer: emission
Solution : The correct choice is the first option.
The reason for this answer is that emission is the release or discharge of substances, in this case, greenhouse gases, into the atmosphere. It accurately reflects the process described in the passage where these gases contribute to global warming.
The complete sentence is: "The primary cause of global warming is the emission of greenhouse gases such as carbon dioxide and methane into the atmosphere."
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