talias60109 talias60109

16-11-2020
Physics

contestada

Which is a characteristic of a physical change? (1 point)

a

The chemical bonds in the substance are unchanged.

b

The change cannot be seen.

c

The molecules all move at the same speed.

d

The substance has reacted with another substance.

Respuesta :

katythor katythor

16-11-2020

the answer would be a.

a chemical change is a change to the chemical makeup of a substance so if the bonds are unchanged it would be a characteristic of a physical change

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