Answer:
Answer: Given two or more sets of features of items, people, events, etc; compare and contrast graphic organizers help you to see what the sets have in common and what difference one set from the others, that is, what characteristics are unique from each set.
Answer: Option(a) is correct option
Explanation:
Wikipedia is a free and openly accessible information containing encyclopedic online site .It is considered as reliable as printed encyclopedia in which information is collected through community users.
Other options are incorrect because Wikipedia is not relying on information collected by journalist and not collected from government documents as the source.Thus, the correct option is option(a).
Answer:
Optical signals have very high frequencies. A high frequency means a short wave length because the wave length is inversely proportional to the frequency (λ = v/f), where v is the propagation speed in the media.
Explanation:
