Soil nutrients play an important supporting role in ecosystems, which cannot function without these vital components. Practices such as planting more vegetation, building retaining walls, and preventing water runoff contribute toward maintaining healthy soil nutrient levels. Why are practices like these important, and how do they benefit the ecosystem? How can you apply this to your life and make the world a better place?

What is one reason why areas that are just beginning to industrialize typically have a higher rate of population growth than countries that are already industrialized? a. most industrialized countries have laws regulating how many children women can have. b. the average lifespan in developing countries is much higher than in industrialized countries. c. developing countries need labor to fill their rapidly expanding industries. d. developing countries are just beginning to experience improved food production and health services.