There is no correct answer here it depends on your body and how fast your motabolism is.
Answer:
I would believe the mesosphere would be the most difficult layer to breathe. Troposphere is where we are, ov we can breathe here, stratosphere would be hard to breath in as well
Answer:A
Explanation:it’s being change by a mixture of substances put together
A.) Launch a satellite
Landing on the moon takes years to figure out. (How, when, what is the purpose, etc.) Capturing an asteroid is beyond difficult and would also take years to figure out how to do so.
Launching a space probe has yet to be done BUT we have had a satellite launched (hence how we get satellite images.)
