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Author Question: Chemicals made from crude oil and natural gas are: a. petrochemicals. b. fossil fuels. c. ... (Read 210 times)

mikaylakyoung

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on: Jul 11, 2018
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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Reply #1 on: Jul 11, 2018
Answer to Question 1

A

Answer to Question 2

D


mikaylakyoung

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  • Posts: 531
Reply 2 on: Jul 11, 2018
Gracias!

duy1981999

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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