Introduction to Physical and Human Geography WGU D199 Exam Questions and Answers

How might changes in the supply of energy, temperature, or light affect an ecosystem? CORRECT ANSWER-The ecosystem's structure might be significantly altered. Which situation is a strong example of an advantageous relative location? - CORRECT ANSWER-A city improves its river trade. What is the key principle regarding energy losses within the cycle of the ecosystem? CORRECT ANSWER-They are an inevitable part of the process. Why is the service economy so important to low-income countries? - CORRECT ANSWER-It employs more than half of the population. Which factor does Weber believe determines where a business is located? - CORRECT ANSWER-Labor costs Why have extreme natural boundaries often determined the borders of modern nations? - CORRECT ANSWER-They tend to create neighboring lands with different cultures. Why do maps sometimes cause problems when borders are disputed? - CORRECT ANSWER-They cannot present the territory as all sides view it. Which factor can make maritime boundaries difficult to determine? - CORRECT ANSWER-The distances from two countries that determine maritime boundaries may overlap. How can humans positively alter local ecosystems? - CORRECT ANSWER-Through resource recovery What is one example of a common cultural push factor in global migration? - CORRECT ANSWER-Political instability What is a key characteristic of recent patterns of migration in Tanzania and many other African nations? - CORRECT ANSWER-Individuals who migrate move out of poverty at a greater rate than nonmigrants