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COSMICDRAGON324IN
Answered

18. Sound travel FASTEST through which medium?
A. Gas
B. Solid
C. Liquid
D. Empty space

19. Which of the following shows a change from light energy to heat energy?
A. Boiling of water
C. warming of beach sand
B. Buzzing of bees
D. answering a phone call

20 A certain appliance underwent energy transformation as shown. What is this appliance?
Electrical energy ➩ light energy ➩ sound energy ➩ heat
A. laptop
B. flat iron
C. electric fan
D. microwave oven

need help​

Sagot :

TUSK01IN

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18. B.Solid

19. A.Boiling of water

20. A.Laptot

#AnswerForTrees

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