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PUZZLE HOME * Cell Biology Crossword # 2 * Genetics Quiz * HIV & AIDS Quiz * atoms Quiz * climate change Quiz *

The term greenhouse effect refers to the:
The greenhouse effect:
The term enhanced greenhouse effect refers to:
Burning fossil fuels releases:
In the last 200 years, carbon dioxide levels in the atmosphere have:
Which of the following are greenhouse gases:
Greenhouse gases work because they:
Air consists mainly of:
As an individual:

CLIMATE CHANGE or GLOBAL WARMING is now a major concern. Human induced increases in atmospheric carbon dioxide and other greenhouse gases ( such as the methane which is a very potent greenhouse gas) threaten to increase the greenhouse effect and produce global warming. This can have a major impact by increasing sea levels, droughts and extreme weather events. With disruptions to weather, tropical diseases could extend their ranges.

Striking greenhouse gas molecules. Great for schools, colleges and environmental groups.

With many thanks to Denise at Sutherland Studios for advice on puzzle design. Contact Denise if you want high quality on-line crosswords for your web site.

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