Answer:
At different times
Explanation:
The echo returns at different times, but faster in water. This is because water particles are bound closer and this makes them transmit vibration energy from one particle to the next quickly. An echo is a sound wave and sound waves are longitudinal waves that occur by the collision of particles to move the vibrations along, and this is why they move slower in air.
Answer:
that within two generations, most European immigrants became part of the racial majority.
Explanation:
The "melting pot" metaphor is most popularly used in the context of the United States. It simply refers to the assimilation of immigrants in the common culture of the United States. However, it is a universal phenomenon and applied where the elements of heterogeneous society melt together in a whole to emerge as more homogeneous. Today the crises of the Middle East have led many refugees to assimilate in the culture of different nations.
Answer:Many countries of Central America have a shared history. This shared history has been influenced by the Maya, the Spanish, and the United States. In several Central American countries, the Maya were building large cities with pyramids and temples by about AD 250.
Explanation:
Answer:
≅ -1.7.
Explanation:
Let's calculate the change in quantity:

Let's now calculate the change in price:

Finally, let's calculate the price elasticity of demand:
