Thank you for posting your question here at brainly. Below are the choices that can be found elsewhere. The answer is A.
<span>A.
Airports in the early 1920s catered to municipal and regional travel, while airports in the 1930s served as hubs for travel between countries.
B.
Airports in the early 1920s had larger runways and airport space, while airports of the 1930s had smaller, more efficient layouts.
C.
Airports in the early 1920s catered to travel between countries, while airports in the 1930s served as hubs for regional and municipal travel.
D.
Airports in the early 1920s were located in West Coast cities, while airports in the 1930s were located in East Coast cities. </span>
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I believe your answer to be limestone, good sir.
Answer: Dormancy
The phenomenon wherein the leaves of the plants turn red and fall during the autumn season followed by the defoliation of trees is a concrete example of dormancy. Dormancy refers to the time wherein plants don't grow and wait for necessary environmental factors like moisture, temperature and others.
