Maybe no seasons or seasonal change
no seasons
There would be no four seasons if the earths axis was not tilted.
The effect on earth would be no seasons
if there was no tilt we would not have any seasons because no part of earth would be tilted toward the sun.:))))))
In that case, the seasons would be more pronounced.
In that case, the seasons would be more pronounced.
If the earth was not tilted at an angle of 23.5 degrees, there would not be the different seasons.
j
the earth would be weird.
The Earth spins about its axis. That defines the Earth's axis. It is the axis of spin that is tilted. If the Earth were not spinning it would not have an axis.
Seasonal cycle
Maryland would have no seasons if the Earth were not tilted because the hemispheres would always be in the same place in relation to the sun.