How does the last paragraph contribute to the development of the ideas in the passage? OA.
It reinforces the idea that the body needs adequate sleep to function efficiently.
OB.
It explains the various kinds of studies that were conducted about sleep in the past.
ОС.
It establishes the importance of researching the impact of sleep on a person's health.
OD.
It discusses the various kinds of sleep disorders and how they can be prevented.

The last paragraph contributes to the development of the ideas in the passage because:

According to the complete question, we can see that the writer  is making an argument in favor of making research into the impact of sleep and how it helps to better understand some things in the human body.

As a result of this, we can see that the ideas in the passage are developed in a way to show that it is important to make research on the impact of sleep inn the health of a person.

Therefore, the correct answer is option C

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I think it is A

Explanation:

right angles are formed by perpendicular lines. if the lines would extend, to make two intersecting lines, they would form four right angles.

showing or suffering from nervousness, fear, or a lack of confidence