Changes in pressure belts and wind.
mid-latitudes
By the sun because in the summer incoming rays from the sun hit earth at higher angles. In the winter, the suns rays are slanted at low angles.
the sun is higher in the sky in the summer than in the winter
it would be higher in the winter i know because the photo in photochemical smog means light and is formed by the action of sunlight and the sunlight is higher in the summer than winter luv boo boo science luver
the tilt on the earth
Spring, summer, autumn, winter
Low latitudes
Summer
mid-latitudes
It is higher in the summer
In the summer the part of the Earth that is summer is closer and in the winter it is farther away.
It is higher in the summer
It is higher in the summer
It is higher in the summer
It is higher in the summer
It is higher in the summer
There is consistent sunlight which allows for producers to grow continually, versus the higher latitudes where there is variation in the amount of sunlight between seasons, i.e. winter and summer.