3. Answer the following questions,
1.
What problems can we have from smoke coming out of vehicles.
Il Which states of India have oil fields ?
Beside oil, what else is found deep inside the earth?
iv. Apart from vehicles, write two other places where petrol, diesel and kerosene ollis
used.
V.
Name the fuels used for cooking food.
Answers
Answer:
1st question answer} The smoke coming out from the vehicles causes air pollution. This polluted air can cause many health issues like cough, nausea, headache and lung diseases. (v) Noise of vehicles can lead to sever problems like, head ache, stress, poor concentration, fatigue, lack of sleep, etc
2nd question answer}India has oil fields in the states of Assam, Gujarat and Maharashtra. Besides oil, metals such as gold, silver, copper are found deep inside the earth
3rd question answer}Kerosene is widely used to power jet engines of aircraft
diesel engines use a mineral oil.
synthetic oils are used in petrol engines, such as those in cars, where longer service intervals and higher operating conditions require more refined oil
4th question answer}Wood, crop wastes, coal, dung, and charcoal are the most widely used cooking fuels.
Explanation: