Metalworking began a. during the Upper Paleolithic period. b. with the introductions of Bronze, an alloy, or mixture of tin and copper, changed the peoples of Europe. c. out of a need for stronger weaponry to used against the increasingly aggressive Vikings. d. with, and because of, all of the above circumstances. Please select the best answer from the choices provided A B C D

yes

explanation:

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we can conclude that the melting point of table salt is above room temperature (it's actually 801 deg c). the melting point of mercury must be below room temperature (- 39 deg c).

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )