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B. tray 5. Which of the household devices produce heat? A. Cup C. electric kettle D. rice dispenser 6. Which of the following is a tool that lifts an object in a long pole or a rod? A. Pulley D. wheel and axel B. lever C. screw 7. Which of the following simple machine is used to cut hard objects? A. nail cutter D knife B. axe C. scissors 8. Emma uses the stairs to get the third floor of the building. What
type of simple machine are the stairs? A. Lever B. inclined plane C. wheel and axle D. screw 9. What machine is used to hold two objects together? A. Pulley B. lever C. inclined plane D. screw 10.Which is an example of a wheel and axle that make work easier by reducing friction? A. Wheelbarrow B. ladder C. pencil sharpener D. screwdriver heat ener




answers sorry diko alam​


Sagot :

Answer:

C. - A. - B. - B. - D. - D.

Explanation:

Please correct if wrong