Answer:
B - It is absorbed and reflected in all directions by greenhouse gases in the atmosphere.
Explanation:
Once energy from the Sun gets to Earth, energy can be scattered or absorbed by aerosols in the atmosphere.
Changed is the another word or synonym for wavered
The words that represent verbs that would be useful in describing the purpose for a text are the following ones: Inform and define.
Cambridge dictionary defines the verbs "to inform" as "to tell someone about particular facts" and "to define" as "to say what the meaning of something is". When you are about to describe the purpose of a text, you are to inform the reader what you want to say and why you are saying it. You are giving meaning to your piece of writing.
B. when you add that to the sentence it blends together better then the other options did.