Air Pollution and Control Week 2 Assignment
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Average assignment score: 25% of the average of the best 8 assignments out of the total 12 assignments given in the course.
Exam score: 75% of the proctored certification exam score out of 100.
Final score: Average assignment score + Exam score
Please note that assignments encompass all types (including quizzes, programming tasks, and essay submissions) available in the specific week.
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- Average assignment score ≥ 10/25, and
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- If one of the two criteria is not met, you will not get the certificate even if the final score ≥ 40/100.
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Why is albedo a significant concern in climatology?
- A) It influences global wind patterns
- B) It directly increases greenhouse gas emissions
- C) It reduces atmospheric oxygen levels
- D) A decrease in albedo increases heat absorption, causing ice to melt
What happens when soot enters the atmosphere?
- A) It reflects sunlight, cooling the air
- B) It absorbs sunlight and generates heat, warming the air
- C) It mixes with clouds to form rain
- D) It increases the albedo of the Earth's surface
How does soot affect snow and ice after being deposited?
- A) It reduces their albedo, absorbing more sunlight
- B) It increases their albedo, reflecting more sunlight
- C) It has no significant impact on snow and ice
- D) It accelerates the formation of glaciers
In water bodies, which gas can be depleted by eutrophication?
- A) CO2
- B) SO2
- C) O2
- D) CO
Which of the following is NOT a type of marine aerosol?
- A) Sea salt
- B) Sulfate aerosol
- C) Mineral dust
- D) Methane gas
What is the approximate size of jet drops compared to their precursor bubble diameter?
- A) 50%
- B) 25%
- C) 10%
- D) 5%
Select the incorrect pair based on the particle size of the particulate matter.
- A) Dust - 1 to 200 µm
- B) Smoke - 0.01 to 1 µm
- C) Fumes - 0.1 to 1 µm
- D) Mist - greater than 1 µm
____________ is one of the processes of movement of gases and liquids (fluids) to transfer heat between regions of different temperatures.
- A) Advection
- B) Convection
- C) Diffusion
- D) Dispersion
What is the primary role of the hydroxyl radical (OH) in the troposphere?
- A) Control the atmospheric lifetime of gases
- B) Absorb UV radiation
- C) Cause acid rain
- D) Act as a greenhouse gas
Which of the following phenomena is responsible for transferring the heat energy from the tropics to the poles to create atmospheric circulation?
- A) Conduction
- B) Convection
- C) Advection
- D) Pyrolysis