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Ulleksa [173]
2 years ago
8

Please help me now hurry​

Biology
2 answers:
9966 [12]2 years ago
7 0
The 2nd and 4th ones
netineya [11]2 years ago
5 0

I think the second and fourth ones are it.

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The Foucault Pendulum show that the Earth rotates because the pendulum would swing so slowly that it would appear to change direction as the Earth moved away.

<h3>How does the Foucault pendulum work?</h3>

The Foucault pendulum was able to demonstrate experimentally that the Earth revolves around itself with an angular velocity Ω, in a period of 23 hours, 56 minutes and 4 seconds.

Thus, Foucault knew that the longer the string attached to the weight, the slower the swing of his pendulum. He could attach the string above to an almost frictionless pin, and if he used a very large weight, the pendulum would swing so slowly that it would appear to change direction as the Earth moved away.

See more about pendulum at brainly.com/question/14759840

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2 years ago
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How does research into natural selection and traits help you understand why some butterflies have coloration that looks like the
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Natural selection - over time - selects for traits that improve fitness. A butterfly with wing coloration that looks like a hungry owl would certainly be a deterrent to their natural predators, such as smaller birds. This is because the owl is the predator of the smaller birds, and their instinct is to avoid the owl.

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Hope this helped you.

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3 years ago
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