Answers by Guannan He
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Answers by Guannan He

Answers by Guannan He
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Which of the following statements most accurately describes the use of DDT in the US? Select all that apply. 1.DDT is an ideal pesticide that revolutionized agriculture in the US. 2.DDT was banned from
answered May 17, 2021
6 votes
136k views
What is the volume of 15.2 grams of SO2 at STP?
answered May 10, 2021
3 votes
209k views
What simple machines are used in a mechanical pencil
answered Feb 21, 2021
5 votes
9.0k views
Which of the following is an even function? f(x) = (x - 1)2 OMX) = 8x O f(x) = x2-X Of(x) = 7
answered Feb 16, 2021
0 votes
113k views
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