They increased their sizes to rejuvenate the land. Before the war, everyone left their farms to go to the war. And once the war was over, the farms increased in size due to the high demand of resources needed to recover from the war.
The 2 different types of endoplasmic reticlum are:
1) Rough endoplasmic reticulum
2) Smooth endoplasmic reticulum.
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The amplitude of a wave is a measure of the amount of energy it carries.
The correct answer is D. Decreased travel times.
The industrial revolution revolutionized the transport as well, so in this period we have the emergence of transporting machines, like the trains for example, and they were also getting better and better as the year passed by, and they were of great help to the people, especially when they had to travel on long distances.
