science
What color should my gum graft be?
For soft tissue “gum” grafts, the site(s) may appear white during the healing process (up to 2 weeks), this is normal and not a sign of infection. The tis...
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What is the apex predator of birds?
Many raptor species are considered apex predators. This group includes hawks, eagles, buzzards, harriers, kites, vultures and falcons. Raptors are birds c...
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Which is better LED or laser?
Lasers are more powerful and operate at faster speeds than LEDs, and they can also transmit light farther with fewer errors. Laser are also much more expe...
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Can giraffe sit?
Giraffes can sit down but they usually don't sit because of vulnerability to predators. Giraffes do not jump. Do giraffes sit or lay down? Giraffe of...
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Can you gift gems in Duolingo?
In the Duolingo Forum, if you like something that someone has said then you can gift them one of your lingots. How do you get 1000 gems on Duolingo? Signi...
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What benefits can I claim if I have ADHD?
If your child has been diagnosed with ADHD, or ADD, he or she can qualify for Supplemental Security IncomeSupplemental Security IncomeSupplemental Securit...
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How does a bird see a human?
As birds are tetrachromats, they see four colors: UV, blue, green, and red, whereas we are trichromats and can only see three colors: blue, green, red. Be...
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What is the heaviest human organ?
The largest solid internal organ is your liver. It weighs approximately 3–3.5 pounds or 1.36–1.59 kilograms and is about the size of a football. Your live...
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What has 6 faces 21 eyes Cannot see?
A die (plural: dice) ? Each side of a cube is called it's "face". What is the answer to the riddle What has eyes but Cannot see? The needle has an op...
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Has England ever had a tidal wave?
The coast of Cornwall was hit by a 3 m (10 ft) high tsunami on 1 November 1755, at around 14:00. The waves were caused by the 1755 Lisbon earthquake. The ...
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