Answer:
complete sentences describe with the humans on Earth knew about the inhabitants of Mars
Explanation:
Many humans on Earth assumed that living creatures on Mars are more or less secondary to them. They considered that these beings are in the equivalent level of the lemurs and animals existing on Earth. Man on earth did not understand that these beings might be more knowledgeable than man, thinking they live in a region where it is much cooler and has less nature contrasted to earth. The passage highlighted that the contest in Mars is bigger contrasted to the effort of man on earth.
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