The correct answer is B. Medium. This is because to travel through the ear, the sound wave must go through the ear drum.
Some examples would be the Silk trade or even their Food.
Answer:
Erosion, weathering
Explanation:
Earth changes in its own natural ways. Some changes are due to slow processes, such as erosion and weathering, and some changes are due to rapid processes, such as landslides, volcanic eruptions, Tsunamis and earthquakes.
Answer:
I think c
Explanation:
Without access to medicines, Africans are susceptible to the three big killer diseases on the continent: malaria, tuberculosis and HIV/AIDS.
