The correct answer is housing
Cold fronts appear in areas of large temperature and air pressure decrease, whereas warm fronts appear in areas of Temperature and air pressure increase.
<h3>What are cold fronts?</h3>
Cold fronts are masses of atmospheric air that exert pressure on light warmer air masses, which then tend to rise in the atmosphere.
Cold fronts can be diagrammed in weather maps as blue lines and different triangular forms with sense to the region where they move.
In conclusion, cold fronts appear in areas of large temperature and air pressure decrease, whereas warm fronts appear in areas of Temperature and air pressure increase.
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The viewpoint of older residents would be one of not much complaint because they would be happy to get out of their industrial cities.
A well-educated middle-class couple with children would be very disappointed and angry with the resort's services because their education allows them to know they are getting less than they paid for.
<h3>What happens in the stagnation stage?</h3>
In the stagnation stage, a resort will no longer be as good as it used to be and competition will threaten it. Public services will be more expensive as less people come and quality of life will decrease.
Older residents would still appreciate the resort because they are more used to hardship and will appreciate relaxing a little.
Well-educated middle-class people would be angry with the poor service because they know they should be offered better for the money they paid.
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More than 75 percent
Explanation:
Let us carefully analyze this problem:
The half life of the rubidium isotope = 50 billion years
The half-life of a radioactive isotope is the time it takes for it to decay to half of its original amount.
Every 50years, we know that a rubidium isotope would split into half.
Initially when the isotope was formed, we would only have the parent atoms there. There wont be any daughter;
ratio of parent to daughter = 100 : 0
When the isotope decays to half; we would have equal number of parent and daughter:
ratio of parent to daughter at half life = 50 : 50
The age of the earth is about 4.6billion years;
this is;
x 100 = 9.2% of the half-life of the rubidium isotope.
At this time, we should know that only 9.2 percent of the daughter would have been formed.
The remaining parent would be 100 - 9.2 = 90.8% would still be left undecayed.
The ratio of parent to daughter = 90.8 : 9.2
This is more than 75% of the parent
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