The earth's "tilt" is what causes seasons, and changes in the tilt of the earth change the strength of the seasons.
(changes in the tilt of the earth; change; the strength of the seasons) (The earth's "tilt; is; what causes seasons, and changes in the tilt of the earth change the strength of the seasons)
changes in the tilt of the earth The earth's "tilt
change is
the strength of the seasons
what causes seasons, and changes in the tilt of the earth change the strength of the seasons