Which of the following is one of the 4 principles of sustainability?
a) increase our enroachment upon nature
b) meet human needs fairly and effciently
c) maintain current level of dependence upon chemicals
d) increase our dependence upon fossil fuels

Select the natural regions. delta denver forest georgia north america plateau stream

Select the sentence from the section "father inspired her belief in education" that is most relevant to the central idea of the article.

If we review the changes in the landscape surrounding the great salt lake in utah we can see a change in topography. look at the area to the south of the lake. what changes occurred during the last twenty-nine years? a-erosion of the hills b-an increase in marshland c-flooding of the area and the development of wetlands d-deposition of sediments and an increase in elevation