Question 16Which of the following is a recently originated problem of environment?(a) Ozone layer depletion(b) Greenhouse effect(c) Global warming(d) All of the above

Question 16Which of the following is a recently originated problem of

1.	Question 16Which of the following is a recently originated problem of environment?(a) Ozone layer depletion(b) Greenhouse effect(c) Global warming(d) All of the above
Answer» Question 16 Which of the following is a recently originated problem of environment? (a) Ozone layer depletion (b) Greenhouse effect (c) Global warming (d) All of the above