The equator because its the warmest most tropical area on earth
In May 1804, the first American expedition the western portion of United States called the Lewis and Clark Expedition started in a city of U.S. state of Missouri called St. Louis. The expedition is also known the Corps of Discovery.
I think it's the first one and the third one. Not completely sure though.
I believe that it is Olmec.
I believe the answer is B. decomposers moving nitrogen into consumers.