As for the first part, Cost, Radiation exposure to humans, No water or heat, and unfit soil. As for the second, Astronomers, Botanists, and obviously your fair share of rocket scientists and math matitions for the way up.
1) a run on sentence
2) add a verb after Wanda
Compare and contrast would be your answer.
For example, “that person in my class has the brand new Playstation. I wish my parents were that rich to buy me one.”
Answer:
the answer is C -an important event in the author's life
Explanation:
i found the answer on quizlet and did the test.