2.2 - Units of Measurement
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Practice Questions
Test your understanding with targeted questions
What does µg/m³ measure?
💡 Hint: Think about how pollution is expressed in the air.
What unit measures emission rates?
💡 Hint: Consider how we measure pollution that is released over time.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What unit is commonly used to express the concentration of air pollutants?
💡 Hint: Think about how pollutant concentrations are depicted.
True or False: Emission rates are expressed in grams per cubic meter.
💡 Hint: Consider what emission rates focus on.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A manufacturing plant emits pollutants at an emission rate of 120 kg per hour. If they operate 24 hours a day, how many kilograms are emitted in a week?
💡 Hint: Don't forget to multiply by the hours they operate in a day and then by 7 for the week.
If the concentration of a particular pollutant in a city is 45 µg/m³ and the air quality standard is 35 µg/m³, by how much does this concentration exceed the standard?
💡 Hint: Subtract the acceptable standard from the observed concentration.
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