An example of source reduction is
a. removal of dioxin chemical compounds from medical wastes.
b. separating wastes prior to recycling.
c. de-inking newsprint for reuse of the paper.
d. making aluminum cans 35% lighter today than in 1970.
e. use of microorganisms to treat contaminated soil.

This is a 2017 topographic map of puerto rico in the united states, and i'm sorry that people there have suffered such a disaster. i want to ask, what do the yellow dots and areas represent on this graph? and the blue area and the little blue circle, and the little blue sign that looks like a signal tower, what do they stand for?

Fossil fuels such as coal, oil, and natural gas were formed over millions of years by

In russia which of these challenges affects the transportation of both petroleum products and other goods? a poorly repaired roads b harsh weather and vast distances c frozen waterways d separatist movements