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Outer Core: A 1,400-mile-thick (2,300 kilometers) layer of liquid iron and nickel surrounding the inner core.
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Mantle: The thickest layer, about 1,800 miles (2,900 kilometers) thick, made of hot, viscous rock.
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Crust: The outermost solid layer, averaging 19 miles (30 kilometers) thick on land and about 3 miles (5 kilometers) under the oceans.
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What breaks when you speak? Silence!
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Why do you go to bed at night? Because the bed won’t go to you!
Climate and Weather Earth's climate is regulated by its atmosphere and oceans. The greenhouse effect, primarily due to water vapor and carbon dioxide, maintains an average surface temperature of about 14.76°C (58.57°F), allowing water to remain liquid. The tilt of Earth's axis causes seasonal variations in climate.
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What kind of lights did Noah have on the ark? Flood-lights!
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What is the center of gravity? The letter V!
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How do ice hockey players stay cool? They sit next to the fans!
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Why did the piano teacher need a ladder? To reach the high notes!
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. What kind of fishing bait do librarians use? Book-worms!
Human Impact Human activities have significantly altered Earth's environment, contributing to climate change, pollution, deforestation, and biodiversity loss. The release of greenhouse gases is causing global warming, melting glaciers, rising sea levels, and shifting ecosystems.
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What’s the most famous fish? A starfish!
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0 sats \ 1 reply \ @Roll 27 Apr
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What kind of fish loves going to battle? A swordfish!
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Where do birds invest their money? The stork-market!
Fun Facts Earth is not named after a Greek or Roman deity; its name comes from Old English and Germanic words meaning "the ground".
The planet has no rings.
The longest mountain range on Earth is underwater, at the bottom of the Arctic and Atlantic oceans.
Earth remains the only planet known to support life, with its unique combination of liquid water, protective atmosphere, and dynamic geology.
Unique Features Liquid Water: Earth is the only known planet with stable bodies of liquid water on its surface, essential for life.
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Why do hurricanes wear a monocle to see? Because they have one eye!
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0 sats \ 1 reply \ @Roll 27 Apr
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What did the clock ask the watch? Hour you doing?