Alai is comparing the physical property of two materials. he is hitting each with a hammer to observe what happens. what physical property of the materials is alai most likely observing? solubility conductivity hardness odor

Alai is most likely observing the hardness of the materials.

Explanation: Hardness is defined as the property of a material to resist a change in its structure when applied to a external force.

Hard materials will not change their shape when they are hit with a hammer whereas soft materials will  change their shape when they are hit with a hammer.

the answer to this is proletariats.

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blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.