The sun is the source of heat and light that warms the earth.
(The sun; is; the source of heat and light that warms the earth) (the source of heat and light; warms; the earth) (The sun; is the source of; heat and light)
The sun the source of heat and light The sun
is warms is the source of
the source of heat and light that warms the earth
the earth
heat and light