c. Very Short Answer Type Questions
1. What is environmental imbalance?
2. Which is the main factor responsible for environmental imbalance?
3. Why the water of river and pond is not worth drinking?
4. What is the result of excess cutting of trees?
5. What is the bad effect of industrialization on our environment?
Answers
1) Environmental imbalance is when a natural or human-caused disturbance disrupts the natural balance of an ecosystem. A disturbance is any change that causes a disruption in the balance of an ecosystem. Examples of natural disturbances are. Volcanic eruptions. Floods.
2) Pollution (air, water and soil) Degradation of natural resources such as soil erosion, deforestation, depletion of wildlife, shortage of energy, degradation of marine ecosystems and depletion of mineral resources are responsible for environmental imbalance
3) It is unsafe to drink water directly from lakes, ponds, streams and rivers as these open sources contain parasites and bacteria. If you consume any of these contaminants, you can get illnesses like giardia or cryptosporidium. This can cause symptoms like diarrhea, nausea, weight loss, low energy and gas.
4)The loss of trees and other vegetation can cause climate change, desertification, soil erosion, fewer crops, flooding, increased greenhouse gases in the atmosphere, and a host of problems for indigenous people.
5) Some of the drawbacks included air and water pollution and soil contamination that resulted in a significant deterioration of quality of life and life expectancy. Industrialization also exacerbated the separation of labor and capital.
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