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Author Question: Which of the following insects feeds on human waste and then on human food, transmitting disease? ... (Read 60 times)

fbq8i

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on: Jul 21, 2018
Which of the following insects feeds on human waste and then on human food, transmitting disease?
 
 

a. ant c. cockroach
  b. spider d. cricket



Question 2

A major problem for humans is to avoid contaminating food and water with secretions from their own bodies.
 
 


 
  Indicate whether the statement is true or false.


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BAOCHAU2803

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

C

Answer to Question 2

T


fbq8i

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Reply 2 on: Jul 21, 2018
Excellent

nguyenhoanhat

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Reply 3 on: Yesterday
:D TYSM

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