The factor given in the choices that will probably decrease population density would be C. forest fire. Normal rainfall is beneficial to the ecosystem to help grow the vegetation and in result, benefits the consumers. Predators decrease the population while birth rate can also increase population.
<span>Pinworms spread easily and often come back. Wash your hands carefully and often, especially after diaper changes. Bathe or shower every day. Change clothes and bedding each morning. Wash clothes, bedding, and towels regularly. Dry them in a hot dryer.</span>
Answer: sweat glands!
Explanation: sweat glands are the only thing that secrete waste and sweat hence being called a “sweat gland”.