It is only because of a constant supply of light energy from the sun that life can continue to exist on earth.
(It; is; only because of a constant supply of light energy from the sun that life can continue to exist on earth) (life; can continue; ) (life; to exist; L:on earth)
It life life
is can continue to exist
only because of a constant supply of light energy from the sun that life can continue to exist on earth
L:on earth