a layer in the earth's stratosphere at an altitude of about 6.2 miles (10 km) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.
What is the ozone layer.
100
Name a is needed to create a renewable fuel source.
What is are fossils.
100
Recycling one of these can conserve enough energy to light a 60W bulb for up to 6 hours.
What is single plastic bottle
200
Burning tires
What is making our air purity low?
200
Reading to younger children
What is volunteering in your local school or library
200
This layer shields the entire Earth from much of the harmful ultraviolet radiation that comes from the sun.
What is the ozone layer?
200
A renewable resource is a resource which can be used repeatedly and replaced naturally. Give two of these resources.
What is oxygen, water, solar energy, timber, and biomass
300
The principal air-quality pollutant emissions from petrol, diesel, and alternative-fuel engines are
What is carbon monoxide, oxides of nitrogen,un-burnt hydrocarbons and particulate matter.
300
Assisting retirees/elderly with crafts
What is volunteering at a retirement home?
300
This is a naturally occurring gas found in the atmosphere where it absorbs most of the sun's ultraviolet light - invisible rays which are harmful to both plant and animal life.
What is the ozone layer?
300
Some natural resources are considered renewable even though some time or effort must go into their renewal give two examples.
What is wood, oxygen, leather and fish.
300
Americans throw away 2.5 million of these per hour. Each one takes 500 years to decompose.
What is plastic bottles.
400
It makes a lot of black smoke in the air when burning.
What is coal.
400
Helping with "Not for Sale, Sale", shelving books, stamping tickets
What is volunteering at the library.
400
a layer in the earth's stratosphere at an altitude of about 6.2 miles (10 km)
What is the ozone layer.
400
This energy uses the near constant heat available at deeper levels in the soil for heating and cooling buildings be it homes, institutions or greenhouses.
What is Geothermal energy.
400
Each year, Americans throw out enough, what, and bottles to reach the moon and back 20 times.
What is soda cans?
500
This can cause cancer to you and others who are breathing around you.
What is smoking?
500
Walking homeless dogs, petting cats.
What is volunteering at the animal shelter
500
Today, there is widespread concern that the ozone layer is deteriorating due to the release of pollution containing the chemicals chlorine and bromine.
What is the chemicals chlorine and bromine.
500
Some renewable resources have essentially an endless supply, name two of the resources.
What is solar energy, wind energy and geothermal pressure.
500
Thousands of marine creatures die by mistakenly swallowing, this that resemble jellyfish.