A Wonderleaf question

a real page from the book
Hurricanes and tornadoes are both rotating storms, but hurricanes are huge ocean storms that build over warm water and can last for days or weeks. Tornadoes are narrow spinning columns that usually drop from thunderstorms, form quickly, and often last only minutes.
A hurricane can cover a region so large that families get warnings days ahead. A tornado may be far stronger in one tiny path, with winds faster than any hurricane, yet a nearby street might be untouched. Size, birthplace, warning time, and lifespan are the big differences.
Swirl water in a clear glass, then watch how a small spinning center forms and fades.
Watercolour scenes, straight answers, about three minutes cover to cover.
Open the picture bookOne more wonder: Why is space so dark?
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