Who was the first scientist to challenge the concept of race?

In which sentence is the italicized word used correctly? a) the sloth is a benefactor that primarily feeds on vegetation, insects, and small birds and reptiles. b) the flood victims were eternally grateful to their benefactors who provided them with food, shelter, and clothing. c) the spectators in the stadium all cheered when the benefactor announced the game would go into overtime. d) the benefactors visiting the laboratory were impressed by the complex equipment the scientists used.

Brainles asap!me : -how has religious fundamentalism been used by extremists in the middle east?

Nationalsim led to major conflicts following world war1 especially when