12. A protective layer around the Earth is known as...a) Troposphereb)

1.	12. A protective layer around the Earth is known as...a) Troposphereb) Stratospherec) Ozone layerd) Noneel Both b&c
Answer» ANSWER: OZONE LAYER is the CORRECT answer Explanation: C)Ozone layer

12. A protective layer around the Earth is known as...a) Troposphereb) Stratospherec) Ozone layerd) Noneel Both b&c

Answer»

Explanation:

C)Ozone layer