Work Step by Step
Option a. is incorrect. James Hutton was a geologist who contributed to the concept of uniformitarianism. Option b. is incorrect. Charles Lyell also was a geologist who worked on the concept of uniformitarianism. Option d. is incorrect. Thomas Malthus was an economist. Only option c. is correct. Charles Darwin documented his observations of the organisms he encountered on the Galapagos Islands, eventually leading him to formulate a theory on how evolution occurs.