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Take This Challenging Environmental Science Quiz 3

Take This Challenging Environmental Science Quiz 3

Take This Challenging Environmental Science Quiz

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Quiz Questions And Answers

All of the following are true about subsidies for food production except

Subsidies in developed countries average $533,000 per minute
Milk production quadrupled in new zealand after farm subsidies were ended
Food prices in developed countries are kept artificially low
Developing countries also receive large amounts of subsidies for growing food

Food security can be improved by

Relying more on locally grown food
Cutting down on food waste
All of these answers are correct
Relying more on locally grown food and cutting down on food waste

Soil in the united states is eroding about times faster than it can form

2
4
4
17

Which of the following is central to most of the efforts to conserve topsoil

An emphasis on ag practices that enhance monocultures
Annual crop rotations
Keeping the soil covered by vegetation

In alley cropping:

Crops are planted between hedgerows of trees or shrubs that are used for fruits of fuelwood
Terraces are built to prevent swift water runoff
Plowing runs across slopes
Special tillers are used so the topsoil is not disturbed

Conservation tillage

Increases erosion
Increases energy consumption
Accelerates water loss from the soil

Which of the following is not one of the three major types of organic fertilizer?

Green manure
Sewage sludge
Compost
Animal manure

The process least likely to conserve soil nutrients is

Fertilizing with compost
Fertilizing with green manure
Fertilizing with animal manure
Irrigation

Aquaculture would be more sustainable if

Consumers chose to eat fish species that are primary consumers instead of secondary consumers
Consumers chose to eat top predators
Fish farms were located near mangrove forests
The process least likely to conserve soil nutrients is

Which of the follwing is a characteristic of a polyaquaculture?

Only herbivorous fish are raised
Only carnivorous fish are raised
Fish are shrimp are raised in ponds along with algae, seaweed, and shellfish
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