Answer:
B
Explanation:
This sentence can be written as in B, or it can be written without a comma by changing the structure and word choice. Commas are used to mark pauses so that the emphasis of the sentence is clear and so that the interrupters have the desired effect.
Another way to write this sentence would be:
There really is no way to know in advance.
Plagiarism can occur accidentally when don't you add the source of your evidence.
idk what the sentence above is, but it's probably C) Several cities with large populations have many asthma-related health problems.
Reciept i believe it is spelled receipt.Hope i helped.<span />