Chemistry, 16.12.2019 03:31 aliceotter2007
Which of the following is caused by pollutants from farm runoff, feedlots, or septic tanks?
question 2 options:
1) increased fecal coliform
2) low dissolved oxygen
3) temperatures greater than 45 c
4) ph below 6.5
Answers: 3
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The minerals found in bones are deposited by living cells called
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Match each statement with the state of matter it describes
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As light moves from one material into the next, which of the following affects how much the light waves will refract, or bend? angle at which the ray strikes the medium color of the material density of the material temperature of the light wave
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Chemistry, 23.06.2019 03:50
Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products
Answers: 1
Which of the following is caused by pollutants from farm runoff, feedlots, or septic tanks?
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