RBSE Solutions for Class 9 Science Chapter 13 Environment Archives -

RBSE Solutions for Class 9 Science Chapter 13 Environment

September 27, 2021 by kundan kumar

RBSE Solutions for Class 9 Science Chapter 13 Environment Rajasthan Board RBSE Class 9 Science Chapter 13 Environment Environment Textbook Questions Solved Question 1. Which of the following is not air pollutant: (A) NO2 (B) SO2 (C) CO2 (D) DDT Answer: D Question 2. Who coined the term Ecology? (A) Odum (B) Tansley (C) Haeckel … Read more