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Pre test
Grade 8
Sciece​


Pre TestGrade 8Sciece class=

Sagot :

Answer:

1.a

2.d

3.c

4.b

5.

6.

7.

8.

9.

10.

11.

12.

Explanation:

1.

2.There are two forces resulting from this interaction - a force on the chair and a force on your body. These two forces are called action and reaction forces and are the subject of Newton's third law of motion. Formally stated, Newton's third law is: For every action, there is an equal and opposite reaction