Select the correct answer. Human skin becomes dry during winter, making it more prone to infections than during summer. How do t
he sebaceous glands protect the skin normally? A. Sebaceous glands produce a substance that moisturizes and protects the skin. B. Sebaceous glands cause the hair to stand erect, which insulates and protects the skin. C. Sebaceous glands produce keratin, which gives the skin a tough structure and protection. D. Sebaceous glands contain collagen fibers, which provide strength and protection.
The answer is D. Founders effect happens when a couple of people wind up disengaged from a bigger populace and set up another populace whose quality pool isn't illustrative of the first populace. An author impact happens when another state is begun by a couple of individuals from the first populace.