16. What is the significance of ozone?
16. What is the significance of ozone?
What is the purpose of the ozone layer for the Earth?
What is the purpose of the ozone layer for the Earth?
What happens to the ozone layer when CFCs are introduced into the atmosphere?
What happens to the ozone layer when CFCs are introduced into the atmosphere?
How many types of oxygen molecules makes up ozone?
How many types of oxygen molecules makes up ozone?
Preventing the atmosphere—stopping ozone depletion and the greenhouse effect—is an environmental necessity.
Preventing the atmosphere—stopping ozone depletion and the greenhouse effect—is an environmental necessity.
The ozone layer is located in ( ) A: stratosphere B: mesosphere C: thermsphere D: troposphere
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
The ozone layer is located in the _______________. A: troposphere B: stratosphere C: mesosphere D: thermophere
Please write down the Chinese meaning of the two expressions. eco-friendly ozone layer
Please write down the Chinese meaning of the two expressions. eco-friendly ozone layer
According to Paragraph 5, why are ozone depletion and the greenhouse effect considered as urgent human disasters?
According to Paragraph 5, why are ozone depletion and the greenhouse effect considered as urgent human disasters?
全球环境问题不包括（ ） A: global warming B: biodiversity C: Ozone Layer D: Human Trafficking
全球环境问题不包括（ ） A: global warming B: biodiversity C: Ozone Layer D: Human Trafficking