The author ends this chapter with this statement because it tells us that we are eating unhealthy food and that we lack the vitamins and minerals that have a significant impact on our lives.
<h3>What do you mean by an author?</h3>
An author refers to the writer of any book, document, or article.
The author ends this chapter by telling us that we are eating very unhealthy and many chemicals that we lack the vitamins and minerals having a major impact on our lives and ignorant about the quality of food.
Learn more about the author here:
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The correct answer is D, this is 'present perfect' tense. It is formed with the use of the verb HAVE in present simple tense (so, HAVE/HAS), and the past participle of a verb (or the third column of irregular verbs).
A cannot be correct, because then it would say - I hear.
B cannot be correct, because then it would say - I had heard.
C cannot be correct, because then it would say - I heard.
And since there is also HAVE HEARD, the correct answer has to be D.
It’s D. I got it correct.
