The fact that the moon's density and composition are consistent with earth's mantle give support to this hypothesis.
(the moon's density and composition; are; consistent with earth's mantle) (The fact that the moon's density and composition are consistent with earth's mantle; give; support; to this hypothesis)
the moon's density and composition The fact that the moon's density and composition are consistent with earth's mantle
are give
consistent with earth's mantle
support to this hypothesis