Plz help me it due in a hour

a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.

the dark variety, as they are not visible on the dark tree barks

explanation:

and after water is usually warmed by the sun the water temperature raises and then evaporates .