Answer:
15. C
16. B
17. B
18. C
19. D
20. B
Explanation:
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15. C - a wheel a grooved for a rope
16. B - Pulley
17. B - Screw
18. C - Simple Machine
19. D - They are expensive
20. B - Wedge
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Answers & Comments
Answer:
15. C
16. B
17. B
18. C
19. D
20. B
Explanation:
I hope i help you today..
Pa brainliest po me..
Answer:
15. C - a wheel a grooved for a rope
16. B - Pulley
17. B - Screw
18. C - Simple Machine
19. D - They are expensive
20. B - Wedge
Explanation: