What phase of mining generally causes the least environmental degradation?
A) exploration and testing
B) extraction
C) processing
D) reclamation
A
You might also like to view...
Hydraulic ____________ uses a pressurized injection of water, sand, and chemicals into oil wells to rupture the rock
and increase the amount of oil and natural gas that can be recovered. What will be an ideal response?
Photosynthesis is a main means of fixing ________ in the ecosystem
A) benthos B) oxygen C) carbon dioxide D) nekton E) nitrogen
In 2000, delegates from 122 countries completed a global treaty to control 12 persistent organic pollutants (POPs) including ____.
A. DDT B. ozone C. chlorofluorocarbons D. methane gas E. mercury
If the dry-bulb temperature is 32°C and the wet-bulb temperature is 26°C, What is the mixing ratio?
Using the psychrometer tables and the table of saturation mixing ratios, answer the question about determining relative humidity with a sling psychrometer. __________ g/kg