Recent questions

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What model postulates that electrons orbit the nucleus at fixed energy levels?

asked Jan 7 in Science by ArlenAbt9111 (390 points)

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What model of the atom features an electron orbiting a nucleus, forming a closed-current loop and producing a magnetic field with a north pole and a south pole?.

asked Jan 7 in Science by BennettNorri (490 points)

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1 answer 16 views

What model describes the structure of the plasma membrane as a mosaic of components?

asked Jan 7 in Science by LasonyaMarro (310 points)

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What mirrors diverge light rays and, thus, have a negative focal length?

asked Jan 7 in Science by WinstonGinn (510 points)

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What mineral that occurs in bones helps combat osteoporosis?

asked Jan 7 in Science by ToddPamphlet (590 points)

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1 answer 26 views

What mineral is used to produce glass?

asked Jan 7 in Science by MattieLundie (890 points)

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1 answer 33 views

What might arthropods use as legs for walking?

asked Jan 7 in Science by AleciaBussel (430 points)

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What might a scientist do to confirm the work of another?

asked Jan 7 in Science by Catharine458 (550 points)

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1 answer 37 views

What methods allow scientists to add to scientific knowledge and gain a better understanding of the world?

asked Jan 7 in Science by FrederickaCe (350 points)

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1 answer 63 views

What method uses a retailer's coding method to catalog biological specimens in museums?

asked Jan 7 in Science by MichealArmer (490 points)

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1 answer 29 views

What method plays a role in determining the approximate age of the earth and makes use of uranium?

asked Jan 7 in Science by GregoryFrank (450 points)

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1 answer 31 views

What method is used to map the earth on flat paper?

asked Jan 7 in Science by CareyDullo8 (330 points)

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1 answer 21 views

What method do scientists use to answer questions?

asked Jan 7 in Science by DeborahDough (630 points)

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1 answer 29 views

What members of an ecosystem food chain take in food by eating producers or other living things?

asked Jan 7 in Science by Logan1887318 (290 points)

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1 answer 20 views

What measures the height of the largest seismic wave or earth quakes?

asked Jan 7 in Science by SherryDoll43 (590 points)

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1 answer 41 views

What measures the force of gravity pulling on an object?

asked Jan 7 in Science by OscarHiggins (630 points)

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1 answer 33 views

What measures the amount of water in the air?

asked Jan 7 in Science by Moses0481984 (570 points)

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1 answer 36 views

What measures the amount of matter in an object?

asked Jan 7 in Science by VelmaBiscoe4 (670 points)

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1 answer 33 views

What measures exactly how much gravity is pulling on something?

asked Jan 7 in Science by EzraNobbs908 (470 points)

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1 answer 29 views

What measures a fluid’s resistance to flow?

asked Jan 7 in Science by DeanaSears12 (530 points)

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