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What causes a tornado?

Started by Chumisa Jackson

How does the wind change direction?

Started by Harvey Shaw

What happened to the hole in the ozone layer?

Started by Brandon Zalinsky

How much land would the UK need to sustain itself?

Started by David and Judith Coley

Why are most plastics not biodegradable?

Started by Ellingson, Kenneth L

Where did the atmosphere come from?

Started by Elliott Birrell

Can clouds form without dust?

Started by Neeraja Raghavan

Did I see 'ball lightning'?

Started by John Waddicor

What makes a pond healthy?

Started by Rebekah Claar

Will it ever end?

Started by Bass

 

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