Which of the following is NOT a factor that causes the distribution of population to vary from one region to another?
A. the amount of arable land
B. the length of the growing season
C. the elevation
D. the amount of rainfall
E. the size of the ecumene
Which of the following is an example of an outdated theory based on the consensus of the scientific community ? a. big bangb. geocentric solar systemc. heliocentric theoryd. plate tectonics answer : geocentric solar system
Both pictures below were taken at the same time of day, but one picture was taken in summer, and the other in winter. how can you tell which is in winter