The ozone hole

Where is the ozone concentrated?

• It is called CFCs and it is used in some spray cans.

• In refrigerators, air conditioning systems, and some fire extinguishers.

• In the earth’s stratosphere at an altitude of about 10 km.

What is the function of ozone?

• It is getting thinner and thinner.

• Ultraviolet radiation is harmful to plants, animals, and humans.

• To absorb most of the ultraviolet radiation (UV rays) reaching the earth from the sun.

Could life exist on Earth without the ozone layer?

• It is getting thinner and thinner.

• Yes, of course

• No, it could not.

What may happen if ultraviolet radiation reached the surface of our planet?

• It may absorb most of the ultraviolet radiation (UV rays) reaching the earth from the sun.

• Ultraviolet radiation is harmful to plants, animals, and humans

• It may reach the earth’s stratosphere at an altitude of about 10 km.

What are the gases that can particularly damage the ozone layer?

• CFCs

• Ultraviolet radiations

• UV Rays

• Spray cans

Where are dangerous gases used?

• In the surface of our planet

• In refrigerators, air conditioning systems, and some fire extinguishers.

• In the earth’s stratosphere