Calvin's professor can conclude that Calvin has been an observational kid.
Explanation:
The observation Calvin makes is a rather arbitrary one but one that can invite broader concern nonetheless.
Some kids start bobbing their heads and raising them before they can ever turn while the other develop these skills in the opposite order.
It would remain to be seen if Calvin would think something can be inferred from this otherwise rather standalone observation of things or not as there may be a study on how far this can be taken in child psychology.
At any rate, he is an observational student and the professor can put that to use.
A is the answer to this question.
The correct answer is fulcrum
Explanation: Fulcrum is a point of balance. the closer the fulcrum is to the load, the easier the work will be.
They're glued to their horses because they're nomadic, so they never completely settle in one place. I have never read Marcellinus before but that seems like the most logical answer. Hope thus helps!
