List any three human activities which wo | Class 9 Science Chapter Natural Resources, Natural Resources NCERT Solutions

Question:

List any three human activities which would lead to an increase in the carbon dioxide content of air.

Answer:

The following three human activities would lead to air pollution:

(i) Burning of fossil fuels like coal and petroleum.

(ii) Emission of harmful gases and dust particles from vehicles.

(iii) Smoke released from industries containing harmful gases like sulphur dioxide, oxides of nitrogen.


Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Natural Resources.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
  • Discuss your answers with your teachers or peers to get feedback and improve your understanding.

Comments

Comment(s) on this Question

Welcome to the NCERT Solutions for Class 9 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 4 , Question 3: List any three human activities which would lead to an increase in the carbon dioxide content of air....