Which process can produce new inheritable characteristics within a multicellular species?

Which figures of speech appear in this excerpt from john keats’s “ ode to autumn “?

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

What percentage of light hits earth's surface directly?