It means Cornelius writes many letters
Answer:
An irrational number between 1.4 and 1.6 is 15.
Ma sœur adore les dessins animés.
The tone of the passage is confident and brave. The positive connotation of the words "declared," "believe," "commit," and "safely" help the author make the point that landing a person on the moon is not just a dream, but something that could really happen.