Which of the following is not a factor in determining a culture's economic activity?

climate 
language 
physical landforms 
natural resources 

Which statement is false regarding the world's population?

It consist of a group of people residing in a particular geographic area. 
Earth’s total population is 6.5 million. 
Earth’s total population is 6.5 billion. 
A majority of Earth’s population resides in Europe and Asia.