1. Contrast renewable and nonrenewable resources in the context of sustainable r
ID: 234736 • Letter: 1
Question
1. Contrast renewable and nonrenewable resources in the context of sustainable resource use.
2. How might the sustainable use of resources be limited indirectly by adverse consequences from the management, extraction, and consumption of resources? Provide examples.
3. Contrast traditional and industrialized agricultural methods. What are the major inputs of energy (for production) in each?
4. What are some methods or practices that can increase the sustainability of current industrialized agricultural production?
5. Identify and discuss two sources of nutrient loss during forest harvest and management.
6. Why is it important to take an ecosystem approach to fisheries management?
7. How might changes in climate affect the distribution and abundance of terrestrial ecosystems?
8. How might changes in climate influence agricultural production?
9. What limits the transfer of CO2 from the sirface waters of the ocean to the deep waters?
10. Why is CO2 called a greenhouse gas?
Explanation / Answer
1. Sustainable approach is required in nonrenewable resources as the they are limited and if used at a fast rate are at a fear of depletion. on the otherhand the renewable resources like solar energy and wind energy have no negative repurcussion and are encouraged as a replacement for conventional non renewable resources.
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4. Crop rotation, Soil enrichment, intensive pest management, Natural pest predators,cover crops, water conservation practices.
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6. underswater ecosystems are dependent on its contributing factors and a major tilt in the balance in the ecosystem in a closed underwater environment can result in irreversible damage. there are countless examples of overfishing which result in minor unwanted species taking over the ecosystem as well as underwater weed dominating the environment. Thus inorder to reap the benefits of fisheries a systematic approach has to be followed
7, climate change results in unexpected patterns of climate which can disturb the ecosystem, continues disturbance will result in permanent change in the type of ecosystems, like a savannah, may turn to barren desert and a tropical enviroment may loose its dominat plant and animal species
8. agricultural produce are specific strain of grains and vegetable that require extensive care for proper quality, climate change may result in unfavourable conditions for current popular crops and force us to switch to other options
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10. It contributes to the Greenhouse Effect by absorbing and emitting radiation.Essentially, the atmosphere blocks too much solar radiation from hitting the Earth's surface (only half of the solar radiation sent to Earth hits the surface) and sends it bouncing back out to space as heat energy. If this heat energy is captured by a greenhouse gas, it is sent back into the atmosphere. The atmosphere does a good job reflecting infrared radiation, but not heat energy, so the planet heats up as a consequence of the heat energy breaking through the atmosphere.
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