The force of water against the seed coat causes a root to emerge from a seed.
Forces a force is a push or a pull.
Something that is a push or a pull of water against the seed coat causes a root to emerge.
Something that is a push or a pull of water against the seed what causes a root to emerge.
Options:
(a) corn
(b) spring
(c) motion
(d) bamboo
(e) elms
(f) growth
(g) coat
(h) heat