An explanation is one that gives a reason for something. The sentence that features an introductory phrase that explains why the main action happened is;
In this introduction, we see that the speaker explains the reason why an accident occurred.
Jayla had an accident because she took her eyes off the road while answering her phone call. This statement is explanatory because it shows why an event occurred.
Thus, sentence 4 explains why the main action happened.
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Mikel Espinoza
Child prodigy
comet
at the age of ten
Answer: B
Explanation: the appositive phrase in the sentence is "child prodigy"
Greenhouse gases trap some infrared radiation in the atmosphere. This warms up the atmosphere. Thus, option C is correct.
Infrared radiation is rays that cannot be seen from the human eyes. These are the radiation or electromagnetic waves that change from 700 NM to around 1 millimeter. There is thermal energy that can be created. This energy is used in electric heater, security system etc.
The infrared radiation, when caused at a high level, they reach the sun's atmospheric pressure. Because of the change, reaction increases the temperature of the earth, and four causes global warming which is that for the planet in terms of atmosphere as well as the surface.
This causes a sudden change in temperature. Therefore, option C is the correct option.
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The question is incomplete, the complete question will be:
A. All of the sun’s energy is converted to infrared radiation and then remains in the atmosphere. This warms the atmosphere.
B. Over time, infrared radiation makes the atmosphere thinner. This warms the atmosphere.
C. Greenhouse gases trap some infrared radiation in the atmosphere. This warms the atmosphere.