The goal of is to protect the processes that maintain renewable resources and to use nonrenewable resources sparingly so they are available for future generations.
a. conservation
b. erosion
c. deforestation
d. weathering

How many citizens of mexico does it take to equal the ecological footprint of the average citizen of the united states? it takes nearly three mexican citizens to equal the ecological footprint of the average u.s. citizen. it takes about 12 mexican citizens to equal the ecological footprint of the average u.s. citizen. it takes just over eight mexican citizens to equal the ecological footprint of the average u.s. citizen. two citizens of mexico equal the ecological footprint of one average citizen of the united states. they are essentially equal?

Which  was not a problem faced by farmers in the late 19th century

To keep other european powers from threatening its empire in america, spain sent soldiers, settlers, and?