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.
Answer:
C
Explanation:
I'm not sure what the story is but I'm pretty sure
It isnt a new thing that children have wanted school to start late but why should it? I believe that school should start later because I think it would have an impacted on some children who get up really early they might be more excited to learn if they werent so tired. I also think that many students wouldnt be late because the slepted in. So in conclusion I think that if school would start later it would benifit everyone and help children be ready to learn.
(dont kill me I know this isnt the best, but I hope i helped)
I can't write the whole summary for you, but writing a summary is quite easy. Just take the main point of each chapter (in your case). Write the main point and what it caused. Kinda like cause and effect. Do this for each chapter. :) If you need anymore help, please feel free to ask! Hope this helps and have a Happy New Year!