Miners used canaries in mines to detect dangerous gases.
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The horizontal rows<span> in the </span>periodic table<span> are periods, while the vertical </span>rows<span> are </span>called<span> groups. </span>
Answer:
Infrared light is very different than regular light. You mostly can't see infrared light, at least, not with the naked eye. but sometimes when laser light pulses rapidly, light-sensing cells in the retina sometimes get a double hit of infrared energy. When that happens, the eye is able to detect light that falls outside the visible spectrum. Infrared is also hotter than a regular lamp light
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Explanation:
Explanation:
He demanded compromise, and his harsh actions offended Congress. He was disliked by Republicans, so they refused to vote for the treaty in any form.
