Traditional rainwater harvesting techniques in India include “kunds” and “baolis” for storing water, “check dams” to capture runoff, and “johads” in Rajasthan for groundwater recharge. These methods effectively conserve and manage rainwater.
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Implementing a water conservation plan at school involves fixing leaks, installing water-saving fixtures, and educating students about water use. This reduces water waste, conserves resources, and supports environmental sustainability by protecting local water supplies.
Felling trees to meet industrial and housing needs can be justified temporarily but has long-term environmental impacts. Overexploitation leads to deforestation, soil erosion, and loss of biodiversity. Sustainable practices and reforestation are essential for balance.
Without sunlight for a week, the solar panels would not generate electricity, impacting electrical needs. However, the gas stove and windmill would remain unaffected, as they rely on gas and wind, respectively.
Large-scale tree cutting impacts soil quality by causing erosion, reducing nutrient content, and decreasing organic matter. Without trees to anchor the soil, it becomes more prone to erosion and loss of fertility.
Human activities pollute the air through vehicle emissions and industrial smoke, releasing harmful gases and particulate matter. Reducing air pollution can be achieved by using public transportation or electric vehicles to decrease emissions.
To enhance green cover locally, plant trees and shrubs, participate in community tree-planting events, maintain existing green spaces, reduce litter, and promote awareness about the importance of greenery. Encourage others to adopt similar practices.
Four activities made possible by the presence of air include flying aircraft, breathing for living organisms, playing wind instruments, and the dispersal of seeds and pollen. Air’s movement and composition are essential for these activities.
Regrowing forests is challenging because it requires restoring complex ecosystems, diverse plant species, and soil health. Additionally, deforestation often damages the land and climate, making it difficult to recreate the original forest environment.
Petroleum is considered a non-renewable resource because it forms over millions of years from the remains of ancient marine organisms. Once extracted and used, it cannot be quickly replaced, leading to depletion over time.