Careful observations of the similarities and differences between living organisms allow us to for study

Classify

Explanation:

According to my research on observational studies, I can say that based on the information provided within the question this allows scientists to classify them for study. Classify species allows all scientists to group together organisms and better understand how everything works. It also helps with evolutionary theories.

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in an effort to stem the tide of refugees attempting to leave east berlin, the communist government of east germany begins building the berlin wall to divide east and west berlin. construction of the wall caused a short-term crisis in u.s.-soviet bloc relations, and the wall itself came to symbolize the cold war.

the answer to your question is false can’t remember who he rode with but he rode with sombody