1.Quais continentes ou partes da superfície terrestre eram representados no mapa-mundi medieval?

1 answer:

5 0

On the medieval world-maps it was represented only the part of the world known as the 'old world', which is consisted of Europe, Asia and Africa. Before the big discoveries, people living in this continents had knowledge only of this part of the world, while South and North America, Australia and Antarctica where still unknown to them, thus they are missing in the world-maps of this period.

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Geneva says that the only thing that is needed for people to hear the sounds around us is a vibrating object. Do you agree with

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Answer:

A vibrating object produces sound waves. Energy needs to be transferred from the vibrating object to the ear through a medium..

Explanation:

Sound is transmitted through sound waves and waves transfer energy from the source of the sound to it environment in a pattern of disturbance and travels through a media. Sound waves carry energy parallel to the motion of the wave .

Since sound involve sound wave and energy as seen in the above explanation. We can not agree with Geneva given that in order for sounds to be heard, the sound wave produced by a vibrating object needs to travel from the vibrating object to the ear through a medium as a result of radio frequency signals that are leaking into our air causing them to bounce,reflect, enabling them to be heard in the human hearing range.

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