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Science

Welcome To The AnswerBank Science

Any discussion that is scientifically led is acceptable, whether it is about physics or a conspiracy theory.

Whilst discussions and debates are encouraged, The AnswerBank reserves the right to remove answers that are deliberately misleading, e.g. by implying that a statement is a scientific theory or law when it is not, especially when such answers may impact personal health choices.

The AnswerBank makes no claim regarding the scientific accuracy of any post (question or answer) made by a member.

641 to 660 of 6599

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Rev. Green
Ducks fly in V-formation to save energy. When swimming, should the V be sharper or flatter? Does it depend on viscosity, or speed of sound in the medium, or both?
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Palgrave
Trying to help a grandchild with homework, I am stumped by this question. Is it solvable or is there an error involved: 'A rectangle has an area of 25 1/2 cm squared. If the base is 4 1/2 cm,...
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charlotteduckett
Identify which of the following are redox reactions. If a reaction is a redox reaction, name the element oxidized, the element reduced, the oxidizing agent, and the reducing agent. a. Mg(s)+ Br2(l)...
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David H
The only ways sea level rises is from land ice melting and thermal expansion. Using this formula how much will sea level rise per degree C the temperature rises to melt mainly the Greenland ice shelf...
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ToraToraTora
https://news.sky.com/story/public-to-vote-for-name-of-minor-planet-in-our-solar-system-11691578 Discovered in 2007 we are now going to get a choice of 3 names to vote on, "Gonggong, Holle and Vili." -...
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charlotteduckett
Calculate the hydrogen-ion concentration [H+] for the aqueous solution in which [OH-] is 1 x 10^-3 mol/L. Is this solution acidic, basic, or neutral? Show your work....
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charlotteduckett
A 105 g piece of copper wire is heated and the temperature of the wire changes from 25*C to 91*C. The amount of heat absorbed is 645 cal. What is the specific heat of copper? Show all work, including...
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ToraToraTora
How many people need to be in the same room for there to be an even chance of sharing a birthday month and day? The answer may surprise you.
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claymore
Is it possible that nothing is actually something?
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claymore
Is this correct? A millimeter of water over a square meter equals 1 liter.
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Togo
Sometime today NASA will be releasing images of Sagittarius A, the black hole at the centre of our Milky Way galaxy. (No Mars bar jokes please). Brilliant science to gather and correlate the info...
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patrickstar
Do scientists believe in God? If so is this based on any facts or theory?
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naimo
Show that each monic irreducible polynomial of Fq [x] of degree m is the minimal polynomial of some element of Fqm with respect to Fq ....
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TommyC
I live too many hours in an office, so I know I'm quite badly out of touch - but I've noticed repeatedly over the past 6 or 8 years the sudden appearance of large and very tall metal pillars, usually...
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mibn2cweus
Countdown to Spring - https://www.timeanddate.com/countdown/generic?p0=3266&iso=20190320T155832&msg=March%20Equinox%202019%20Countdown Did it work?...
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ToraToraTora
https://www.bbc.co.uk/news/technology-47524760 One thing that has always puzzled me, what is the calculation that they do to yield this number? We know it's irrational so there must be some sort of...
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BertieButton
Can anyone tell me if the phrase " the darkest hour is just before dawn", is literally true? Is the night hour before dawn the darkest the sky is and if so why?...
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ToraToraTora
https://www.bbc.co.uk/news/av/uk-scotland-47360492/virgin-galactic-scots-born-pilot-rockets-into-space They didn't even get over the Karman line !...
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Chipchopper
Is it possible for sounds to be heard on the Moon ?

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