level Z1 ┊ 2293 words ┊ ◄)) 
Informational (nonfiction) 960L
How many people do you think is too many for Earth to support? Today, more than seven billion people live on Earth! This large population is affecting our planet in many ways. Seven Billion and Counting provides students a comprehensive look at the problems of overpopulation and the impact it has on Earth. This book can also be used to teach students how to analyze cause-and-effect relationships and the proper use of complex sentences. The books and lesson are available for levels Y and Z2.
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