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Author Question: What is a toxic chemical? What is the difference between acute and chronic toxicity? What will ... (Read 35 times)

Chelseaamend

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on: Jul 21, 2018

What is a toxic chemical? What is the difference between acute and chronic
  toxicity?


 
  What will be an ideal response?

Question 2

What is the purpose of signal words that are found on pesticide labels? What are
  three signal words and what category of pesticide does each word signal?


 
  What will be an ideal response?


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shaquita

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

A toxic chemical is one that is poisonous or injurious to humans and other animals.
Acute toxicity is a measure of how poisonous a pesticide is after a single exposure.
Pesticides are generally rated according to acute toxicity. Chronic toxicity is a measure of
how poisonous a pesticide is over a period of time and after repeated exposure. Chronic
toxicity is a danger of chemicals that accumulate in the body, such as chlorinated
hydrocarbons.



Answer to Question 2

Signal words are intended to alert the user to the toxicity of a pesticide. Three signal
words are DANGER, meaning highly toxic; WARNING, meaning moderately toxic; and
CAUTION, meaning slightly toxic or relatively nontoxic.



Chelseaamend

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Reply 2 on: Jul 21, 2018
Wow, this really help

epscape

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

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