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Author Question: The use of what metal revolutionized agriculture? a. lead c. gold b. tin d. ... (Read 20 times)

kshipps

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on: Jul 21, 2018
The use of what metal revolutionized agriculture?
 
 

a. lead c. gold
  b. tin d. iron



Question 2

Which pesticide was banned in 1972 because of its harmful effects on the environment?
 
 

a. DDT c. DAR
  b. ABC d. DPT



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Chou

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Reply #1 on: Jul 21, 2018
Answer to Question 1

D

Answer to Question 2

A


kshipps

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Reply 2 on: Jul 21, 2018
Excellent

shewald78

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Reply 3 on: Yesterday
:D TYSM

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