4 Norma noticed that the leaves of her plants became yellowish. What should she do with her plants? a Pace the plants undersunight
Remove the yelowish leaves
c Cover the leaves with pasic
d Appy insecticide
ʕ•ᴥ•ʔ this is science

B.

Explanation: Removing leaves will stop the plant from wasting nutrients trying to save those leaves. Other than that stop using tap water to water plants that causes the yellow leaves.

they protect against unsafe foods and medicines being sold

explanation:

answer; self-serving bias;