Answer:
the arow in the up is the east
wealth and trade keeps the economy going in south America
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Explanation:
During the 19th century, colonial dependence gave way to increasing autonomy for a growing Canada. ... On July 1, 1867, with passage of the British North America Act, the Dominion of Canada was officially established as a self-governing entity within the British Empire.
Answer:
They caused a great deal of attention as America and the U.S.S.R were behind the scenes with both sides pouring in many resources. Both sides were looking for the promotion of communism or democracy, with both sides believing that the other was looking for world domination.
Explanation:
Answer:
Half-life is defined as the time required by an unstable element to reduce half of its original value. All unstable elements have a decay rate and this half-life differs from element to element. These unstable elements are known as radioactive elements. It continuously decays until it becomes a stable one. These elements when decays release radiations which are harmful to lives.
This half-life plays an important role in the determination of the age of a rock or fossils. It is used in various types of radiometric dating methods.
For example, the half-life of Carbon-14 is approximately 5700 years and the half-life of Uranium-238 is 4.5 billion years.