When should an introductory prepositional phrase be followed by a comma? when should it not?

Use a comma to separate a group of preposition phrases of more than four words when the phrases come at the beginning of a sentence.

Do not use a comma between separate phrases unless they are in a series.

A comma may also set off a single prepositional phrase at the beginning to make the sentence clear. A comma is recommended after any introductory prepositional phrase of more than four words.

Use a comma to separate a group of preposition phrases of more than four words when the phrases come at the beginning of a sentence.

Do not use a comma between separate phrases unless they are in a series.

A comma may also set off a single prepositional phrase at the beginning to make the sentence clear. A comma is recommended after any introductory prepositional phrase of more than four words.

Correct: Under the kitchen table the dog cowered. 

Correct: Under the spreading chestnut tree, the village smithy stands. 

Correct: Under the pile of clothes, we found his wallet. 

Incorrect: On the sand, of the beach, by the inlet, we relaxed in the sun. Correct: On the sand of the beach by the inlet, we relaxed in the sun.Correct: Over hill, over dale, we hit the dusty trail. 

the correct answer is b. in order to explain a point clearly in an essay, it is always better to include a clear example of your ideas. including an scenario in which a family is affected by consumerism will support your argument as well as supporting details, such as quotations from experts and statistics. option a could be correct, but statistics and quotations are supporting ideas rather than clear explanations. choices c and d are simply inadequate. they do not add information about the effects of consumerism, rather they are strategies for engaging the reader

your blank of voice often reflects your feelings emotion and thoughts