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Answers
Answer:
Explanation:
Digestion is not an example of combustion. ... Digestion is an endothermic process where energy is utilized to break up complex food particle to simpler forms. In a combustion reaction carbon dioxide, water, energy and some by products are released
Metals shows the property of malleability while non-metals are non-malleable. Metals are generally those substances that have a shiny surface and thus are lustrous. Whereas non-metals have non-shiny appearance and thus falls under the category of non-lustrous substances.
Petroleum is referred to as Black Gold. ... When the petroleum is drilled from the ground in the liquid form, it is referred to as crude oil. This name black gold itself is an indication that it is very vital to humans. Because of its oil and worth, people refer to it gold
(i) Conversion into efficient forms like CNG. (ii) Protection of resources from fires. (iii) Avoid wastage of oil. (iv) Make more use of renewable source of energy like using solar energy, wind mills to generate electricity.