Answer:
96%
Explanation:
To find the percent yield, we can use this equation

The actual yield of aspirin is 3.0 and the theoretical is 3.14 in this case, so just plug the numbers in.

Thus the percent yield is 96%
;)
Answer:
Earth's far distance from the sun
Explanation:
We have hot summers and cold winters because of the tilt of the Earth's axis. The tilt of the Earth means the Earth will lean towards the Sun (Summer) or lean away from the Sun (Winter) 6 months later.
Answer:
Oxygen and Carbon dioxide
Explanation:
Oxygen is required for respiration whereby energy is released from natural occurring nutrients accompanied by the release of water and carbon dioxide. carbon dioxideis also required by plants to photosynthesise.
Oxygen and carbon dioxide in the troposphere supports life as by enabling respiration in organisms and photosynthesise in plants can. Without oxygen in an environment, only life forms that live by anaerobic respiration will thrive. This affects a regions carrying capacity