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Author Question: USDA and University of Maryland scientists discovered that treatment of plants with the growth ... (Read 9 times)

Pea0909berry

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on: Jul 21, 2018
USDA and University of Maryland scientists discovered that treatment of plants with the growth hormone ethylenediura (EDU) can reduce damage by:
 
 

a. ozone c. acid rain
  b. radon d. hydrocarbons



Question 2

What is the most abundant element in air?
 
 

a. oxygen c. carbon dioxide
  b. nitrogen d. carbon monoxide



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ciecieme

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

A

Answer to Question 2

B


Pea0909berry

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Reply 2 on: Jul 21, 2018
Gracias!

cpetit11

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Reply 3 on: Yesterday
Excellent

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