Which sentence uses commas correctly?

a.
we toured an organic farm, a conventional farm, a food processing plant, and a grocery store.

b.
we toured, an organic farm, a conventional farm, a food processing plant, and a grocery store.

c.
we toured, an organic farm a conventional farm, a food processing plant and a grocery store.

d.
we toured an organic, farm, a conventional, farm, a food processing plant, and a grocery store.

Acid rain is a secondary pollutant. select the best answer from the choices provided true or false

Identifying parts of a chemical equation identify each part of this chemical equation that describes the burning of methane and oxygen. b (blue box): d (number): e (purple box):

Read the sentence below about the chicago fire of 1871. schaffer told someone else to strike the wrong alarm box and that caused a miscommunication during the chicago fire of 1871. which revision is the best example of adding concrete details? schaffer told another person in his office to sound the wrong alarm and that caused a big miscommunication during the chicago fire. schaffer told his assistant to strike the wrong alarm box and that caused a miscommunication during the massive chicago fire of 1871. schaffer mistakenly told his assistant to strike alarm box 342 instead of the correct box and that caused a miscommunication during a fire in chicago. schaffer mistakenly told his assistant to strike alarm box 342, and as a result, firefighters were directed to an incorrect location during the chicago fire of 1871.