Animals, including humans, take in o2, and breath out co2 in respiration. increasing the population leads to less o2 and more co2 in the atmosphere. is this a positive feedback loop, negative feedback loop, neither, or no answer provided?

Asegment whose endpoints are points on the edge of the circle are whatps: i ment to put this under geometry i apologize ; ;

If you could drill a hole straight to the center of the earth, and keep track of what the hole is going through, youwould find: a) you would go through one sort of material, and then a different, denser material, and then a still-different, still-denser material, because the planet is made of concentric layers, sort of like an onion. b) you would go through one sort of material all the way to the center, because the planet is all mixed up. c) if your hole started at the north pole, you would go through different layers of different materials, but ifyour hole started at the equator, you would go through one sort of material all the way to the center. d) if your hole started at the equator, you would go through different layers of different materials, but if yourhole started at the north pole, you would go through one sort of material all the way to the center. e) you would strike diet pepsi when you got to the center.

The middle east links which two continents? ●asia and europe●europ and africa●africa and asia●africa and australia