Chemistry, 28.07.2019 22:10 michaeladkins1979
Which substance is a polymer found in nature?
o carpet
o cotton
o paint
o nylon
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Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
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Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.
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Which class of molecules functions as chemical signals? hormones water carbohydrates proteins
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Which substance is a polymer found in nature?
o carpet
o cotton
o paint
o n...
o carpet
o cotton
o paint
o n...
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