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Sagot :

Answer:

12) the two effects of force are

I) It can change the state of movement of the body on which force is applied,

(ii) It can change the shape and size of an object.

13) A homogenous mixture is that mixture in which the components mix with each other and its composition is uniform throughout the solution. A heterogenous mixture is that mixture in which the composition is not uniform throughout and different components are observed.