Quiz thread
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Rob-TheStormChaser
lmao you got it Chad!
b) 6.2 miles
The old adage says that "on a clear day you can see forever." On level earth, "forever" is just 6.2 miles or less. If you picture yourself on a calm lake that is fifteen round, you could think you were out in the middle of the ocean. While the visibility to a six foot tall person standing on level ground is just 6.2 miles or less, you would be able to see much farther if a tall object, like a small mountain, were at the edge of the lake.
b) 6.2 miles
The old adage says that "on a clear day you can see forever." On level earth, "forever" is just 6.2 miles or less. If you picture yourself on a calm lake that is fifteen round, you could think you were out in the middle of the ocean. While the visibility to a six foot tall person standing on level ground is just 6.2 miles or less, you would be able to see much farther if a tall object, like a small mountain, were at the edge of the lake.
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Rob-TheStormChaser
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StormCrazyIowan
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StormCrazyIowan
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Rob-TheStormChaser
David got it right lol after all these days!
b) manufacture their own "antifreeze"
These arachnids are amazing. Within their circulatory system is a chemical compound that keeps their bodies from freezing during the deep chill of winter. While its composition is quite different from automobile anti-freeze, it has the same effect. While these eight-legged creatures may give many folks the creeps, they are absolutely remarkable in their survival techniques.
b) manufacture their own "antifreeze"
These arachnids are amazing. Within their circulatory system is a chemical compound that keeps their bodies from freezing during the deep chill of winter. While its composition is quite different from automobile anti-freeze, it has the same effect. While these eight-legged creatures may give many folks the creeps, they are absolutely remarkable in their survival techniques.
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Rob-TheStormChaser
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GalvestonDuck
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GalvestonDuck
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wxman57
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Wrong Answer!
Rob-TheStormChaser wrote:David got it right lol after all these days!
b) manufacture their own "antifreeze"
These arachnids are amazing. Within their circulatory system is a chemical compound that keeps their bodies from freezing during the deep chill of winter. While its composition is quite different from automobile anti-freeze, it has the same effect. While these eight-legged creatures may give many folks the creeps, they are absolutely remarkable in their survival techniques.
Sorry, but B cannot be correct. According to your question "In winter, spiders have an extraordinary way of keeping warm. What do they do?",
you're looking for something that a spider does to <b>keep warm</b> (keeping warm being defined as either slowing or preventing the loss of body heat), right? Well, manufacturing antifreeze may prevent a spider from freezing solid, but it would have no effect on the temperature of the spider. In fact, it may actually allow the spider to get colder than if it froze solid.
Now, if your question had asked what spiders do to <b>keep from frreezing</b> then "making their own antifreeze" would have been correct.
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