Answer:
the cycle of night and day
hope this helps :p
Explanation:
Molecules produced in the nucleus are transported to the cytoplasm via ribosomes.
Minimum wage and maximum work hours
I can’t answer how lichens arrive in a barren landscape but I can answer the 2nd part
Lichens grow when exposed to water. When wet, lichens begin to photosynthesize.
Organic molecules can form in a reducing atmosphere. Good luck.