Question

Why do astronomers use astronomical units (AU) instead of kilometers (km)?(1 point)
Responses

AU is used for spacing, while km is used for length.
AU is used for spacing, while km is used for length.

Large distances are easier to express in AU than in km.
Large distances are easier to express in AU than in km.

AU is used in astronomy, while km is used in physics.
AU is used in astronomy, while km is used in physics.

There are no km in outer space, only AU.
There are no km in outer space, only AU.
Answer
Why do astronomers use astronomical units (AU) instead of kilometers (km)?(1 point)
Responses

AU is used for spacing, while km is used for length.


Large distances are easier to express in AU than in km.

AU is used in astronomy, while km is used in physics.


There are no km in outer space, only AU.
Answer
What would missing data do to the accuracy of a model?(1 point)
Responses

Missing data would not affect a model’s accuracy.
Missing data would not affect a model’s accuracy.

Missing data would make a model accurate.
Missing data would make a model accurate.

Missing data would make a model inaccurate.
Missing data would make a model inaccurate.

Missing data would enhance a model’s accuracy.
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