"Why are some countries developing rapidly while others are still facing slow-growing economic problems?"

Many people regard the rapid population growth of developingcountries as our most serious environmental problem. Others thinkthat the population growth in industrialized countries, thoughsmaller, is actually a greater threat to the environment.

1.What kinds of problems result from population growth in a.developing countries

2.b. the industrialized world? Which do you think is the greaterthreat and why?

Practically speaking, why would it make sense for already developed countries to invest in developing countries? Or wouldn't it?

Describe the age structures in rapidly growing countries, slowly growing countries, and countries with zero population growth.