Which statement is true about the exhibition, "the family of man"?

The difference between relief and intaglio printing in art

Which statement is true about the function f(x)= –? the domain of the function is all negative real numbers. the range of the function is all positive real numbers. the domain and range of the function have opposite signs. the domain and range of the function are the same.which statement is true about the function f(x)= –? the domain of the function is all negative real numbers. the range of the function is all positive real numbers. the domain and range of the function have opposite signs. the domain and range of the function are the same.

Which does the author mean by " nature had to kindle all the fires, for man by his own effort was unable to produce a spark