Why Have Some Countries Reached Zero Population Growth?

Why Have Some Countries Reached Zero Population Growth? This demographic balance could occur when the birth rate and death rate are equal. … Therefore, a country that has reached zero population growth has a population where births plus immigration is equal to deaths plus emigration over the course of a year. What does it mean

What Factors Affect Plant Growth?

What Factors Affect Plant Growth? What factors affect plant growth? Plants need five things in order to grow: sunlight, proper temperature, moisture, air, and nutrients. These five things are provided by the natural or artificial environments where the plants live. If any of these elements are missing they can limit plant growth. What are the