Hello there ^ _ ^
The effect of reducing the size and cost of computers is because many ordinary people could buy and use them.
The correct option is : D
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I hope this help!
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The correct answer should be
<span>It was discovered in the 1960s.
The telescope is at least 300 years older than remote sensing since remote sensing began around the era of airplanes and flying balloons. You don't have to be a scientist which is seen in the military where soldiers do it. Modern remote sensing started in the 60s with the development of satellites and space travel.</span>
Answer:
c trade reached 3 continents
