WHAT IS THE MOST IMPORTANT PURPOSE OF THE OZONE LAYER

Question

3. What is the most important purpose of the ozone layer?A. Providing flourocarbons B. Shielding the sunC. Protecting the earth D. Destroying chemicals

Accepted Answer

NINH BÌNH HƯỚNG DẪN CHẤM KỲ THI CHỌN HỌC SINH GIỎI LỚP 9 THCS Năm học 2008- 2009 Môn: Tiếng Anh 1. B 2. D 3. B 4. C 5. B 6. A 7. A 8. D 9. B 10. C Question II( 25 points): 2.5 points for each correct....

WHAT IS THE MOST IMPORTANT PURPOSE OF THE OZONE LAYER

3. What is the most important purpose of the ozone layer?

A. Providing flourocarbons B. Shielding the sun

C. Protecting the earth D. Destroying chemicals

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