Earth and Mars are known as terrestrial planets because they are both made up of rock and metal. However, scientists know much more about the internal structure of Earth than they know about the internal structure of Mars. What is the effect of the comparison signal word "both”?
A. It signals that Earth and Mars have something in common.
B. It signals that Earth and Mars are different from one another.
C. It signals that scientists studied Earth before studying Mars.
D. It signals that more facts about Earth and Mars are coming.

Public opinion polls are used in marketing

If this were a fictionalized account, instead of a memoir, which might be the opening sentence? a) i am not your prisoner. b) i find myself in prison. c) you have taken me prisoner. d) black hawk had been taken prisoner.

Subject: save the whales! dear professor crest, i know you are really busy and everything, but i was hoping that you could spend more time thinking about how to save the whales. it’s up to us to speak up on their behalf. it’s really wrong that some amusement parks use these poor, defenseless animals for recreational purposes. this must be stopped, and you’re the person to do it! ttyl, jules which revisions would make this e-mail more formal? check all that apply. a. removing the contractions b. removing the exclamation points c. removing the salutation d. removing the slang and casual speech e. removing the information about amusement parks