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Which of the following is not one of the factors of the Drake equation?
extraterrestrial
To create oxygen.
Drake equation
water
the ability to use sound to communicate
weightlessness
oxygen
free fall
What is the condition in which there is no resistance to the pull of gravity?
extraterrestrial
To create oxygen.
Drake equation
water
the ability to use sound to communicate
weightlessness
oxygen
free fall
What is anything that comes from beyond Earth?
extraterrestrial
To create oxygen.
Drake equation
water
the ability to use sound to communicate
weightlessness
oxygen
free fall
Which of the following would be most important for astronauts to take into space with them?
extraterrestrial
To create oxygen.
Drake equation
water
the ability to use sound to communicate
weightlessness
oxygen
free fall
What is a way of estimating the chances of communicating with extraterrestrials?
extraterrestrial
To create oxygen.
Drake equation
water
the ability to use sound to communicate
weightlessness
oxygen
free fall
What is a feeling experienced in free fall, that there is no gravity?
extraterrestrial
To create oxygen.
Drake equation
water
the ability to use sound to communicate
weightlessness
oxygen
free fall
Which of the following would be most important for astronauts to have in space?
extraterrestrial
To create oxygen.
Drake equation
water
the ability to use sound to communicate
weightlessness
oxygen
free fall
Why would people bring plants into space?
extraterrestrial
To create oxygen.
Drake equation
water
the ability to use sound to communicate
weightlessness
oxygen
free fall
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