Question 1. Water pollution is not caused by (a) burning of fossil fuels (b) bathing in ponds (c) agricultural wastes (d) industrial wastes Answer: (a) Question 2. Potable water (a) cannot have smell (b) has impurities (c) has harmful chemicals (d) has micro-organisms Answer: (a) Question 3. High concentration of … See more Question 1. What are the different ways in which water gets contaminated? Answer: Following are the ways by which water gets contaminated: 1. People dispose of garbage in the water. 2. Many industries discharge their … See more Activity 1 (NCERT Textbook, Page 239) You may have covered your nose while passing a brick kiln emitting smoke or started coughing while walking on a busy road (Fig. 18.1). On … See more Question 1. What should be our main strategy to deal with the environmental problems faced by us ? [DAV2008] Answer: To develop technology that uses : 1. Renewable sources of energy like solar energy, wind energy, … See more Question 1. Write two causes of soil pollution. [MSE (Chandigarh) 2005] Answer: Two causes of soil pollution are excessive use of chemical fertilisers and disposal of waste materials. Question 2. What is the full form … See more Web[FREE] Class 8 Science Ka Question Answer . NCERT Solutions for Class 8 Science Chapter 1 Crop Production and Management Chapter 2 Microorganisms: Friend and …
Maharashtra Board Class 8 Science Solutions Chapter 18 Ecosystems
WebChapter 18: Pollution of Air and Water The presence of undesirable and harmful substances in the environment is known as a pollutant, and when the concentration of such substances increases in the environment, it is known as pollution. Chapter 18 explains how air and water get polluted and what are the harmful effects and how to minimise them. WebOct 4, 2024 · Answer: Forces acting on bucket are as follows: (i) Muscular force of arms acting upward. (ii) Force of gravity acting downward. Both the forces do not bring any change in the state of motion because both of them are acting in equal and opposite directions and thus they cancel each other’s effect. Question 9. drama groups stockport
Class 8 Science Chapter 18 - Ecosystems Textbook …
WebThe answers for the Balbharati books are the best study material for students. These Balbharati Solutions for General Science 8th Standard Maharashtra State Board will help students understand the concepts better. • Chapter 1: Living World and Classification of Microbes. • Chapter 2: Health and Diseases. • Chapter 3: Force and Pressure. WebMay 28, 2024 · MCQ Questions for Class 8 Science Chapter 18 Pollution of Air and Water with Answers May 28, 2024 by Raju We have compiled the NCERT MCQ Questions for Class 8 Science Chapter 18 Pollution of Air and Water with Answers Pdf free download covering the entire syllabus. WebNov 20, 2024 · Class 8 Science chapter 18 questions answers You will get answers to all questions of Pollution of Air and Water in the NCERT solutions here. Before solving … radno vreme banca intesa