What is the central idea of the third section why do we dream

The central idea of the third section why do we dream is, 'People may dream to improve long term memory and process new information.'

Option A.

Explanation:

Central idea of any passage is the main idea, it depicts what the passage is all about. The third Section of ‘Why do We Dream’ states that dreams help people in processing new information, thus improving their long-term memory. And this is also the central idea of the passage.

According to the experiments conducted by scientists, they concludes that whatever we do while we are awake, those activities and memories takes form of a dream while we are sleeping. The experiment was conducted on rats because rats experience the same sleep cycle as humans do.

active voice: my father cut the tree.

passive voice: the tree was cut by my father.

active voice: people buy newspapers every day.

passive voice: newspapers are bought (by people) every day.

active voice: people have been using movies as political propaganda since world war ii.

passive voice: movies have been used as political propaganda since world war ii.

active voice: donna gave me my birthday present.

passive voice: i was given my birthday present (by donna). / my birthday present was given to me (by donna).

active voice: mom will leave the keys on the counter.

passive voice: the keys will be left (by mom) on the counter.

the words in parentheses are the agent of the passive voice and can be omitted when obvious, generic, or simply unnecessary.