The correct answer is A) launching of Sputnik.
On October 4, 1957, the Soviet Union successfully launched Sputnik into space. This satellite made by the Soviet Union was the first satellite that orbitted the Earth. The success of this satellite showed the technological superiority of the Soviet Union during this time, as America had not accomplished this feat yet. This is why the Soviet government used this as a means of propaganda, to show that the Soviet Union was more advanced than the United States.
Answer:
Both are only physical changes.
Explanation:
The green stuff is cupric chloride, a byproduct of corrosion of the valve body or possible copper leachate in the water. Either way, it's typical of water leakage where the water is of low pH. Boiling sugar to make caramel is the same as eating sugar, just in a different form.
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The middle class disappeared.
Opportunities increased for the lower classes.
A new class of wealthy citizens emerged.
<span>Many members of the upper classes lost their fortunes</span>
