Read the sentence.

when we read that many of the cereals bursting with sugars were those being marketed to kids, we set out to determine if this was indeed the case.

what is the effect of the word bursting on the author’s purpose?

it strengthens the author’s reason for investigating.
it suggests that the author may tend to exaggerate.
it shows the author’s views about cereals with sugar.
it demonstrates that the author is interested in facts.

It suggests that the author may tend to exaggerate

It strengthens the author’s reason for investigating.

Explanation:

The author describes the presence of sugar in cereal with the verb "bursting." This is a very visual and dramatic word, and it creates a particular image in the mind of the reader. By describing it this way, the reader will most likely understand that the level of sugar is excessive, and this fact will strengthen the author's reason for investigating.

i've read it so how can i ?