before u a lab u should tie loose hair back, and know the locations of all exits
Okay First off what are the problems and what are the hardest ones?
Answer:
The correct answer will be-gas absent in primordial atmosphere (oxygen).
Explanation:
The Miller experiment was performed in 1953 to show that organic molecules can be formed from the inorganic molecules in the conditions resembling the primordial atmosphere.
Same conditions were created to the unstable atmosphere like a mixture of gases which included- methane, sulfur dioxide and hydrogen but lacked oxygen as it was absent in the primordial atmosphere.
Thus, gas absent in the primordial atmosphere (oxygen) is the correct answer.
Answer:
Coral reefs interact with the hydrosphere by keeping the ocean cleaner and less waves.
Explanation:
Answer: mesosphere
Explanation: because I am studying it right now