What is environmental science? - answersystematized knowledge derived from and tested by recognition and formulation of a problem, related with natural environment, including atmosphere, the land, the water, and their inhabitants as differentiated from the build environement
What is environmenta...
What is environmental science? - answersystematized knowledge derived from and
tested by recognition and formulation of a problem, related with natural
environment, including atmosphere, the land, the water, and their inhabitants as
differentiated from the build environement
What is environmental engineering? - answersound engineering thought and
practice in the solution of problems of environmental sanitation
What is engineering? - answerA profession that applies science and mathematics
Why are civilizations near rivers? - answerneed for clean water
When do sewers date back to? - answer3500 BC
Who discovered contaminated water leads to disease? - answerJohn Snow and
William Budd
What caused the need for air pollution control? - answerindustrial revolution
When was the EPA established? - answer1970
What is AQI? - answerAir Quality Index
What is the range of AQI? - answer0 to 500
What are some areas of interest in environmental engineering? - answerwater
treatment, wastewater treatment, air pollution control, and solid waste
management
How is the AQI obtained? - answermeasuring concentration of air pollutants
What is the atomic number? - answernumber of protons
What is the mass number? - answersum of protons and neutrons
What is the atomic weight? - answerweighted average mass of all isotopes of an
element
What is electronegativity? - answerability of an atom to attract electrons
What are cations? - answerpositively charged ions
What are anions? - answernegatively charged ions
What is an ionic bond? - answerattraction between a cation and anion
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