Answer:
The concept behind how the stock market works is pretty simple. Operating much like an auction house, the stock market enables buyers and sellers to negotiate prices and make trades. ... Investors can then buy and sell these stocks among themselves, and the exchange tracks the supply and demand of each listed stock.
Explanation:
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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Bc the sun reflects on the other side of America or country and that’s why we have time zones
Answer:
Jupiter
Explanation:
If you weighed 68 kg on Earth then you would weigh 160.7 kg on Jupiter, over twice your normal weight.
In the altitudinal zonation of the equatorial mountain areas of Latin America, the zone between 3,000 to 6,500 feet (1,000 to 2,000 m) with warm temperate conditions and deciduous forest is the tierra templada.
What is the meaning of tierra templada?
a region or zone of temperate climate especially : tropical land of usually from 2000 to 6000 foot elevation in which the temperature is modified by the elevation.
What vegetation is in the tierra templada?
Tierra templada (temperate land) is the area between 900 and 1800 m (3000 to 6000 ft) where mean annual temperatures are usually between about 18°C and 25°C (64°F to 77°F). The natural vegetation in these zones is temperate forest, such as oak and pine-oak forest.
Learn more about tierra templada:
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