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Author Question: Chemicals made from crude oil and natural gas are: a. petrochemicals. b. fossil fuels. c. ... (Read 177 times)

mikaylakyoung

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Chemicals made from crude oil and natural gas are:
 a. petrochemicals.
  b. fossil fuels.
  c. hydrocarbons.
  d. organophosphates.

Question 2

Which heavy metal is found in the Earth's crust, has widespread industrial applications including battery manufacturing, and causes learning problems and lower I.Q. scores with high-level exposure in children?
 a. mercury
  b. selenium
  c. lead
  d. cadmium



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dpost18

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Answer to Question 1

A

Answer to Question 2

D




mikaylakyoung

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Reply 2 on: Jul 11, 2018
Excellent


meow1234

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Reply 3 on: Yesterday
:D TYSM

 

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