<span>4.74 billion years until the sun swallows up the Earth and all the planets. </span>
Answer:
the universe is roughly 14 billion years old
I believe the answer is: b. allow efficient gathering of unobservant phenomena
Survey is conducted by letting the subject to fill up a set of questionaires by their own without the supervision of the researchers. Because of this, gathering needed information became extremely efficient since it can be conducted with very little labor resource and could take up large number of population.
Audrey's behavior, characterized by hallucinations, delusions, incoherent speech, and disorientation and the fact that she does not care for herself ( she never bathes or changes her clothes) means that she would be best diagnosed as suffering from schizophreniform disorder. Audrey's symptoms are symptoms of schizophrenia but are present for a significant portion of the time, at least one month.