Which statement best summarizes what Garrett Hardin called the "tragedy of the commons"? Nonrenewable resources may be economically depleted before they are fully depleted.
Resources become depleted if they are used up more quickly than they can be replaced.
The most readily available resources are in lower demand than rarer resources.
The combined effect of many people using a resource degrades or depletes the resource.

“The increase in impervious or hard surfaces, including rooftops and pavement, decreases the amount of water that soaks into the ground, or infiltrates. This increases the amount of surface runoff.” notice many visible changes, includ- ing housing developments, road networks, expansion of services, and more.

Explanation:

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.