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BiologyBiology
Guest
Many children were paralyzed by polio in the 1950s. Today, polio has been reduced by 99 percent. Which statement best explains how this disease has been almost eradicated?
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PhysicsPhysics
Kendall Pugh
The pressure at the bottom of a jug filled with water does not depend on
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Social StudiesSocial Studies
Tess Mullen
A major impact of the columbian exchange on western Europe was the introduction of
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HistoryHistory
Siena Chan
What characteristics drive a market economy?
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PhysicsPhysics
Jovani
at what other angle will a thrown ball go the same distance as one thrown at an angle of 75 degrees?
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MathematicsMathematics
Turkey
A plumber has a 40-foot piece of PVC pipe. How many 11/5 foot pieces can be cut from the 40 foot piece?
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MathematicsMathematics
Twinkle
Ben is planning to fence his rectangular garden the area of the garden is 50 square feet and the length of the garden is twice the width how many feet of fencing will he need
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Social StudiesSocial Studies
Krista
How and where is nuclear waste stored and disposed of in this country
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EnglishEnglish
Randy Adkins
What are different ways we consume water?
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PhysicsPhysics
Guest
A record player turntable initially rotating at 3313 rev/min is braked to a stop at a constant rotational acceleration. The turntable has a rotational inertia of 0.031kg? m2. When it is switched off, it slows down to 75% of its initial rotational speed in 4.0 s.

A. How long does it take to come to rest?

B. How much work has to be done on the turntable to bring it to rest?
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ChemistryChemistry
Janelle Harrison
How many molecules are in 4.50 moles of H2O?

A. 450 molecules B. 6.02 x 1023 molecules C. 2.71 x 1024 molecules D. 3.00 molecules
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PhysicsPhysics
Garrett Hoffman
A steam engine does 12 kJ or work in 55 s. how much power does the engine produce?
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BiologyBiology
Marshall Serrano
When looking at biodiversity threats, how do invasive species rate, wat is the higest threat to biodiversity
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MathematicsMathematics
Guest
The water level in a lake was 12 inches below normal at the beginning of

March. The water level decreased by 2 inches in March and increased by 1

inches in April. What was the water level compared to normal at the end of

April? Explain how you solved this problem.
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HistoryHistory
Braxton Kelly
What was one important social change resulting from urbanization
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