Sputnik I was the world's first ever artificial satellite that launched by the Soviet Union in 1957. This marked the start of the "space age" which pushed the race between the US and the USSR in the field. Because of this "competition", many scientific discoveries were made to study and even travel to outer space.
<u>Answer:</u>
<em>Oxygen levels would be higher, but carbon dioxide levels would be the same.
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<u>Explanation:</u>
The procedure by which living things convert oxygen and glucose to water and carbon, accordingly yielding vitality is called photosynthesis. It does not require the nearness of daylight and is continually happening in living life forms. Cell breath occurs in the mitochondria of cells.
Through these procedures, plants get the carbon dioxide they need, and living life forms get the oxygen they need. They are additionally crucial to the vitality trade that living things need to endure.
<span>Compared to earlier presidents, modern presidents are move involved in economic issues.
Many of the previous presidents were not qualified enough or did not have the inclination or the power to be involved in economic issues or deal with them. However, with the modern technologies and developments in the nowadays world, presidents tend to get involved in economic issues.</span>
After 200 years of a monarchy rule, the Romans rebelled against their king and created their own republic government. :) Hope that helps!
Answer:
$7250
Explanation:
The selling price was $12,000. Add $2,500 to find 2 times the original selling price.
12,000 + 2,500 = $14,500.
Divide by 2 to find the original selling price = $14,500/2 = $7250.