ozone is both helpful and harmful to life on earth. please select the best answer from the choices…

ozone is both helpful and harmful to life on earth. please select the best answer from the choices provided\no t\no f
Answer
Brief Explanations:
Ozone in the stratosphere protects life by absorbing UV - rays. Ground - level ozone is a pollutant and harmful to living organisms. So, ozone has both helpful and harmful aspects.
Answer:
T