Question 19 of 20
Select the best answer for the question.
19. Suppose scientists believ...
Question 19 of 20
Select the best answer for the question.
19. Suppose scientists believe that they've discovered a new planet. Which of the following
must be true for the object they've found to qualify as a planet?
A. It must follow a closed orbit around a star.
B. It must be capable of supporting life.
C. It must be shaped like an ellipsis.
D. It must have minimal gravity forces.
Answers: 1
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