the answer to this is B) subjects are in the control group.
The word "coeval" meaning in this context is happened at the same time which is denoted as option 1.
<h3>What is Coeval?</h3>
This is referred to a substance having the same age or date of origin as another in this scenario.
The word coeval therefore means that they happened at the same time for them to have the same age.
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Here are two different awnser for how you could respond this question
I think it might be A.) Day. Because when the axis is pointed towards the sun, that shows it is day because that area has sunlight in which you get during the day. It is night when the axis is pointed away from the sun because there is no sunlight in that area which causes darkness in which we get during the night obviously. Winter occurs when the earth is far away from the sun, in which there is no heat, and closest to the sun in which we do get heat, there will be Summer.
Hope this helps some.
