When was the first Earth Day?
1970
1982
2003
1999
Which land-based ecosystem holds the most concentration of plants and animals, i.e. biodiversity?
South Pacific islands
Coral reefs
African savannah
Tropical forests
Which of these species are threatened by global warming?
Clownfish
Arctic fox
Koala
All of the above
Which of the following takes the longest time to break down or disintegrate?
Aluminum can
Disposable diaper
Plastic 6-pack holder
Hard plastic container
How much of the world’s oxygen is produced by just the Amazon rainforest?
10%
1%
20%
5%
How many people in the world are dependent on fish as their main source of daily protein?
3 out of every 10 people
1 out of every 10 people
8 out of every 10 people
2 out of every 10 people
In the average home, which of the following uses the most water?
Flushing the toilet
Washing a load of clothes
Taking a 10-minute shower
Filling the bathtub
How much oxygen does an average 50-year-old tree provide?
Enough for 4 people a year
Enough for 1 person a year
Enough for 8 people a year
Enough for 10 people a year
What uses the most energy in U.S. homes each year?
Heating water
Refigeration
Lighting
Heating and air-conditioning