Punjab Board Solutions for Chapter: Natural Resources, Exercise 4: Questions
Author:Punjab Board
Punjab Board Science Solutions for Exercise - Punjab Board Solutions for Chapter: Natural Resources, Exercise 4: Questions
Attempt the free practice questions on Chapter 14: Natural Resources, Exercise 4: Questions with hints and solutions to strengthen your understanding. Science solutions are prepared by Experienced Embibe Experts.
Questions from Punjab Board Solutions for Chapter: Natural Resources, Exercise 4: Questions with Hints & Solutions
EASY
9th Punjab Board
IMPORTANT
What are the different states in which water is found during the water cycle?

MEDIUM
9th Punjab Board
IMPORTANT
Name two biologically important compounds that contain both oxygen and nitrogen.

EASY
9th Punjab Board
IMPORTANT
List any three human activities which would lead to an increase in the carbon dioxide content of air.

EASY
9th Punjab Board
IMPORTANT
What is the greenhouse effect?

EASY
9th Punjab Board
IMPORTANT
What are the two forms of oxygen found in the atmosphere?
