changing distance is therefore the major cause of seasons on earth the earth's axis is tilted 23.5&deg;
(the earth's axis; is tilted; 23.5&deg) Context(the earth 's axis is tilted,List([67, 93))):(changing distance; is therefore; the major cause of seasons on earth)
the earth 's axis is tilted,List([67, 93))
the earth's axis changing distance
is tilted is therefore
23.5&deg
the major cause of seasons on earth