Answer:
Shadows are formed when an opaque object comes in the path of light. Opaque objects do not allow light to pass through them.
Explanation:
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Answer:
Mechanical
Explanation:
mechanical energy:
energy that an object has
because of its motion or
position
Answer:
In a combustion reaction, a substance reacts with oxygen from the air. Combustion reactions happen at high temperatures, and transfer energy to the surroundings as light and heat. This is why you see flames when things burn. ... The products of combustion reactions are compounds of oxygen, called oxides.