The correct answer is (b) Petrol. Petrol is the most commonly used fuel in two-wheelers like scooters and bikes due to its high energy efficiency and suitability for smaller engines compared to diesel or kerosene.
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The chapter “Nature’s Treasures” fosters curiosity about natural resources, encouraging observation and inquiry. Understanding ecosystems and the interdependence of life forms inspires scientific thinking and promotes critical skills needed for investigating environmental issues as a future scientist.
Soil is precious because it supports plant growth, which is essential for food production and maintaining ecosystems. It also filters water and provides habitat for numerous organisms, contributing to environmental health.
Renewable resources are natural resources that can be replenished naturally over time, such as sunlight, wind, and water. They are sustainable as they do not deplete when used responsibly.
Urbanization impacts natural resources by increasing land use for construction, depleting water sources, and causing pollution. It often leads to habitat destruction, increased waste, and greater demand for energy and materials.