Chemistry, 19.10.2019 23:10 GamerGirl15
Where do the materials that we use to make plastic bags, crayons and polyester (for clothes) come from?
a) they are made from animal byproducts
b) they are made from petroleum products
c) they are made from plant materials
d) they are made from dirt and rocks
Answers: 1
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Which type of reaction always has an element and a compound as reactants
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Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction
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At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?
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Areader can tell that the meaning of “obnoxious” will include “having the quality of something” because of the .a) prefix b)pronunciation c)suffix d) word root
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Where do the materials that we use to make plastic bags, crayons and polyester (for clothes) come fr...
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