Think back to what you've eaten over the past 24 hours. would you say your diet is composed of mainly carbohydrates, proteins, lipids, or nucleic acids? anyone can answer i really need asap

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of