Question: when did classification of races begin I found the following answer on Google: Scientists consider biological essentialism obsolete, and generally discourage racial explanations for collective differentiation in both physical and behavioral traits. Is that a correct answer? Yes or no.
No

Question: where does the return address go on mail I found the following answer on Google: The return address is not required on postal mail. Is that a correct answer? Yes or no.
No

Question: who invented geothermal energy technology I found the following answer on Google: Geothermal wells release greenhouse gases trapped deep within the earth, but these emissions are much lower per energy unit than those of fossil fuels. Is that a correct answer? Yes or no.
No

Question: when did world war 2 end I found the following answer on Google: Meanwhile, the influence of European great powers started to decline, while the decolonisation of Asia and Africa began. Is that a correct answer? Yes or no.
No