When the rf of one of the dots observed in a mixture after developing a tlc plate is coincident with that of the reference standard material (rsm), it means: ?

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.

most community's take hundreds of years to become stable