Select the sentence from the section "An Ultracool Dwarf" that BEST explains what TRAPPIST-1 is.
Group of answer choices
Current observations suggest its orbital period could range anywhere from four to 73 days.
The star is just .05 percent as bright as our sun.
The system’s host star, called TRAPPIST-1, is what is known as an ultracool dwarf.
It is about one-tenth the size of our sun and just a bit bigger than Jupiter.
Answers: 1
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Answers: 1
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Cartels control the production and pricing of goods mainly through a) the elimination of competition. b) the cooperation of their members. c) the limitation of price controls. d) the manipulation of government pressure.
Answers: 1
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Classify each action depending on whether it will meet or fail to meet the goals of the organization. a group of students form a healthy earth club at their school. their goal is to limit their school’s impact on human-led climate change. they brainstormed a list of actions they can take to meet this goal.
Answers: 3
Select the sentence from the section "An Ultracool Dwarf" that BEST explains what TRAPPIST-1 is.
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