What is the purpose of the ozone layer for the Earth?
举一反三
- What happens to the ozone layer when CFCs are introduced into the atmosphere?
- what the analogy is: which two things are being compared?The earth’s atmosphere is like a blanket of gases around the earth. It is only a thin layer but it helps to maintain the temperature of the earth, keeping us warm. It also offers a layer of protection from the intensity of the sun. A: earth’s atmosphere and a blanket B: earth’s atmosphere and gases C: earth’s atmosphere and a layer of protection D: earth’s atmosphere and a blanket of gases
- The ozone layer is located in which layer of the atmosphere? A: trophsphere B: stratosphere C: mesosphere D: thermosphere E: exosphere
- The ozone layer is located in ( ) A: stratosphere B: mesosphere C: thermsphere D: troposphere
- The ozone layer is located in the _______________. A: troposphere B: stratosphere C: mesosphere D: thermophere