a seed is a kind of young plant & seeds sprouting causes plants to grow ->  a seed / young plant sprouting causes that seed / young plant to grow  if something is required for a process then that process may occur if that something is provided & a plant requires soil for to grow ->  a plant may grow if it soil is provided  a plant may grow if it soil is provided & burying a plant in soil is a kind of method for providing soil to that plant ->  a plant may grow if buried in soil  a seed / young plant sprouting causes that seed / young plant to grow & a plant may grow if buried in soil ->  seeds may sprout when buried in soil  seeds may sprout when buried in soil & an acorn is a kind of seed -> an acorn may sprout when buried in soil