Which of the descriptions below does not explain the effects of air pollution on the respiratory system?

it could restrict air flow through the bronchi.
it could disrupt the rate of ventilation.
it could prevent hemoglobin from binding to oxygen.
it could increase carbon dioxide uptake in alveolar sacs.

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.

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.