Question

1. Multiple Choice Questions
1. Install
devices in aircraft devices.
(a) silencer (b)Noise (c)laughing (d)crying
2. Flag pole is an example of
(a)Lever (b) wedge (C) pulley (d) inclined plane
3. Plants require
to make food.
(a) Air (b) water (C) chlorophyll (d) all of the above
4.A movable pulley has a/an
in a movable block.
(a) Rope
(b) belt
(C) chain
(d) axle
(a)Lungs
5. Any unwanted sound that our ears cannot filter causes damage to our
(b) kidney (C) ear drum (d) heart​

Answer 1

Answer:

1. Silencer

2. wedge

3. All of the above

4. Rope

5. Ear drum

Explanation:

Please follow me.

Answer 2

Answer:

silencer

wedge

all of above

rope

ear drum