1. Mr. Fazlul Hoq's mother uses an earthen oven and clay pots to cook meals. On the other hand his wife uses a gas oven and cooks in a cooks in an aluminium pan. a. What is matter? b. What does 'non-metal' mean? c. Explain the significance of the elements of the utensils used by Mr. Fazlul Hoq's wife and mother? d. Who gets more advantage while cooking meals-- Mr. Fazlul Hoq's mother or wife? Analyse.​