Which of these is a density-independent factor? A. Food source B. Forest fire C. Water supply D. Shelter

water supply is your answer

answer; ///i believe the answer your looking for is (ribosomes);

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )