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.
The long term goal would be for the 19 year old as in retrospect the rest don’t have long left to live
Income, education, and occupation are the dimensions of social class because they are used to measure the influence of a person in his social class.
Income are those earnings which a person receives as a result of what he has invested in either though work or money, or any other means.
Education is the value of being knowledgeable in certain aspects of a thing through formal or informal means
Occupation are those things which a person specializes in and earns an income.
A person's social class is the concept or value where the worth of a person is measured.
These three factors are all dimensions of a person's socual class and is used to measure the worth of a person.
Therefore, a person's social class is measured by his income, education and occupation.
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A hope that helps have a good
