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What is twin paradox?
It isn't truly a paradox. Here's the problem:
A spaceship leaves earth for a trip at high relativistic velocity. Aboard is one twin, the other having remained on earth. The ship is moving away from...
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Human activites that affect humans?
Pollution, Mining Groundwater, and Timber Harvest are the three main ways humans affect watersheds.
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How does the human tongue affect the human body?
Well first of all, without a tongue you couldn't talk. And second of all, if you didn't have a tongue,you couldn't eat anything.
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How do ecosystems affect humans and human activity?
gives a control to test. it helps us have resources such as the forest for wood supplies, water, plants, and animals they provide to help us survive in this planet. it affects us because that is what...
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Do auroras affect human health?
No, they are just amazing lights in the sky. The lights are produced the same way the colors in a neon tube are displayed. There is no danger to your health.