science homework 15
Explain how taking this class has helped you make better decisions with respect to helping the environment. List five ways youâ€ve changed your habits since the beginning of the semester to now, also stating how it helps stop environmental degradation.20 points i.
ii.
(i) Explain the 8 steps of the Scientific Process using an example.15 points (ii) What are the 4 factors that dictate the success of the scientific process?
Imagine you are the worldâ€s best Waste Reduction Guru! Explain how will you use the 3 pronged strategy for Waste Reduction.20 points
iii.
iv.
v.
First Priority Pollution & Waste Prevention by Producers
Second Priority Pollution & Waste Prevention by Consumers
Third Priority Waste Management
OR
Explain giving reasons why the following are unethical and unsustainable: a. Feeding corn to Confined (Concentrated) Animal Feeding Operations (CAFOs) b. GM (Genetically Modified) crops developed by pesticide companies like Monsanto
Explain the five types of species interaction? Give an example of each.15 points
Explain HIPPCO. How does it lead to species extinction? Detail required.15 points
List any 5 major types of indoor air pollutants, their sources, and their effects, with examples. One example has been done for you. Fill the table after understanding the example.
a. You all may use an aluminum can or aluminum foil sometime or very often. Describe the life cycle of the mineral aluminum till it becomes a can or foil. b. What are the two pathways it may enter after use? Which is the better pathway for the environment? OR
OR
A. How can food be produced sustainably? List 5 ideas. B. List 5 advantages of making the transition to sustainable food production (organic farming). C. What prevents organic farming to be the norm rather than being the exception? List 5 reasons.
List any 5 major types of water pollutants, their sources, and their effects, with examples. One example has been done for you. Fill the table after understanding the example.15 points
Pollutant example/type
Major Sources
Effects
Example: Eroded soil/silt Type: Sediments
Farm fields, construction sites, mining sites
Disrupt aquatic plants and animals that depend on those plants. Disrupt other ecological processes
1
2
3
4
5
OR
Pollutant example
Major Sources
Effects
Example: Chloroform
Chlorine treated water in hot showers
Cancer
1
2
3
4
5
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