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Author Question: How can solar energy be used to purify water? What will be an ideal ... (Read 52 times)

CharlieWard

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on: Aug 20, 2018
How can solar energy be used to purify water?
 
  What will be an ideal response

Question 2

Which of the following items cannot be purchased with coupons from the Food Stamp Program?
 
  A. cereals
  B. meats
  C. tobacco
  D. dairy


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macmac

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Reply #1 on: Aug 20, 2018
Answer to Question 1

Water is poured into plastic jugs and the jugs are placed on black-covered roofs and allowed to heat for several hours. If the heat from the solar radiation raises the temperature of the water to more than 50C (122F), the water becomes safe to drink and common waterborne bacteria such as cholera, typhoid, and dysentery are destroyed.

Answer to Question 2

C


CharlieWard

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Reply 2 on: Aug 20, 2018
Gracias!

Dinolord

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Reply 3 on: Yesterday
Excellent

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