Answer:
C. By including details about the enviroment
It can affect the tone if the speaker is happy, sad or any other emotion.
Answer:
Third sentence
Explanation:
In the first sentence, therefore is used for reasoning
ex: Therefore, dirty water is bad for the environment because it can make people sick
The second sentence is a run on sentence so it would not be correct.
Participle: <span>is a form of a verb that is used in a sentence to modify a noun, noun phrase, verb, or verb phrase, and then plays a role similar to an adjective or adverb. It is one of the types of nonfinite verb forms.
Verb: </span><span>a word used to describe an action, state, or occurrence, and forming the main part of the predicate of a sentence, such as </span>hear<span>, </span>become<span>, </span>happen<span>.</span>