9. Topsoil is made up mostly made up of what ingredient? A. 5 billion microorganisms
B. millions of animals
C. 100 miles of root hairs
D. rock and mineral particles
DONT SAY THE WEBSITE THING​

The world wars of the twentieth century immediately led to a. the establishment of a communist bloc in eastern europe b. the urbanization of europe’s societies c. an emphasis on humanism d. an emphasis on ties to greek and roman societies select the best answer from the choices provided. a b c d