Identify the scientist who discovered the theory of evolution.

Which of these were effects of mass production techniques used during 1920s

How are the republican and democratic presidential candidates chosen? a. they are nominated by their state governments. b. each is nominated by his or her respective party. c. each is chosen by the governor of his or her home state. d. they are chosen by the house of representatives.

Need ! how did sumner define liberty in the book of "voices of freedom"