Answer:
1. Skin Creams
Explanation:
An independent variable is the only variable that is changed while the rest is kept the same. In this setup, the doctor is using different creams on the same patient with the same skin condition so the independent variable is the skin cream and not the skin condition.
They show both the characteristics of a living and a non-living.
"Periodic drought causes an abrupt decrease in vegetation" is the one among the following that <span>is caused by the modification of density–independent factors. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer has helped you.</span>