Thursday, March 12, 2009

Homework - New Filter


Read the info. Look at the picture. Answer the questions.

There are over 50,000 coal power plants in the world. They put over 1 billion tons of Carbon Dioxide into the air every single year. Now, scientists have invented  a filter that removes 90% of the Carbon Dioxide.
 (Info = Science Daily)


Question:
1) Should the coal power plants have to install these new filters? Why or why not? 

Due Fri 3/13

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