Pollution
1999
First Published
3.78
Average Rating
24
Number of Pages
Part of Series
This full-color series presents nonfiction topics about interesting places and subjects. Each title features color photographs and a glossary to help with vocabulary comprehension. Exercises and suggestions for project work are also included. The books are graded at 400-to 1,400-word vocabulary levels. Audio "CDs or "Cassettes are available for select titles.
Avg Rating
3.78
Number of Ratings
9
5 STARS
11%
4 STARS
67%
3 STARS
11%
2 STARS
11%
1 STARS
0%
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