Answer:
Electromagnetic waves can travel through a vacuum, that is an empty space, whereas mechanical waves cannot. They need a medium to travel such as water or air. Ripples in a pond are an example of mechanical waves whereas electromagnetic waves include light and radio signals, which can travel through the vacuum of space.
Explanation:
The stomach. the place where your food sits for a while after you have chewed it up and swallowed.
Answer:
When fuels burn they release heat energy and light energy to the surroundings in exothermic reactions known as combustion reactions
Explanation:
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