Imagine that the Earth's orbit were changed to be a perfect circle about the Sun so that the distance to the Sun never changed. How would this affect the seasons?
a) We would no longer experience a difference between the seasons.
b) We would continue to experience seasons in essentially the same way we do now.
c) We would still experience seasons, but the difference would be much more noticeable.
d) We would still experience seasons, but the difference would be much less noticeable.
