Choose the statement that best describes population density.
a)an increase in the number of people living in an area over time
b)a decrease in the number of people living in an area over time
c)the number of people who live in a square mile or kilometer
d)the number of live births per one thousand people in a year

Palo duro is the largest canyon in north america. t f

Which of the following statements best explains why there tends to be a greater number of large cities in southern africa than the east africa

Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below? ii. seasonal migrations of millions of wildebeests, zebras, and elephants iii. large numbers of predators, such as lions iv. acacia trees and grasses a. the congo rainforest b. the african mangroves c. the serengeti grasslands d. the sahel