Flexibility can be influenced by internal and external factors. In a paragraph, summarize which type of factor you feel is easier to control. (Site 1)

Population of this city. also, look for information on available public transit, bike-sharing, and other commuting options. use the information you find and write about it promoting alternative transportation

Answer light in color; silica-rich;

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!

The answer would be  b. hope this !