El sonido se propaga de un lugar a otro, pero siempre lo hace a través de un medio material, como el aire o el agua.
En el vacío, el sonido no puede propagarse, porque no hay medio material.
En el aire el sonido viaja a una velocidad de 343 metros por segundo.
Answer:
1. homogénea
2. el colón costarricense
3. ejército
4. Inglaterra
5. en el cultivo de café.
6. cuartel
Explanation:
Costa Rica is a small country located in Central America with an area of 51,100 km2, of great tourist potential. One of its main sources of income is tourism.
It has no army since 1949 and has a diversity of animal and plant species characteristic of the intertropical zone in which it is located. The diversity of flora and fauna of the highest in the world.
This country is the habitat of 5% of the biodiversity that exists worldwide.
Answer:
Me!
Explanation:
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