What does the rate of natural increase measure, and how is it computed? what factors would lead to a rise in the rate of natural increase?

think about:
-birth rate
-mortality rate
-fertility rate

The increase of pollutants from in mexico has raised concerns about garage to health and the environment

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?

All of the following statements about the biosphere are true except: a. light and heat from the sun do not affect the biosphere. b. the biosphere gets resources from earth's crust, hydrosphere and atmosphere. c. like "biology", the name for the biosphere comes from the greek word for life. d. the biosphere includes all living organisms on earth's surface.