C. Directions: Read the questions carenums 1. Which of the following materials is useful? abanana peelings b..dried leaves c.empty canister d.rotten eggs 2. Which of the following materials is harmful? a. empty bottle b.insecticide spray c. Old clothes d.leftover food 3. Which of these materials conducts heat and electricity? a. rubber band b. wood rice cooker d. tables 4 The ability of the materials to withstand wear, pressure or damage. a. elasticity b flexibility c. durability d. malleability 5. Plants have properties that make them a practical source of food. Which property makes them a good source of food? a. resistance b. mechanical c. chemical d. physical 6. The following materials are example of non biodegradable except; a. plastics b. cans c.fruit peelings d. glass​