[Devansh]

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Renewable sources of energy are those that can be replenished naturally and are virtually inexhaustible. Here are some examples of renewable sources of energy:

Solar Energy: Solar power harnesses energy from the sun through photovoltaic (PV) cells or concentrated solar power (CSP) systems. It is widely used for generating electricity and heating water.

Wind Energy: Wind turbines convert the kinetic energy of wind into electrical energy. Wind farms, often located in windy areas or offshore, are increasingly common sources of electricity.

Hydropower: Energy from flowing or falling water is converted into electricity through hydropower plants. It involves damming a river to create a reservoir, and water is released to drive turbines.

Geothermal Energy: Geothermal power utilizes heat from within the Earth to generate electricity or provide heating and cooling. It involves tapping into natural steam or hot water reservoirs underground.

Biomass Energy: Biomass refers to organic matter like plants and waste materials. Biomass can be converted into biofuels or burned directly to generate heat or electricity. Examples include wood pellets, agricultural residues, and biogas from organic waste

[Devansh]

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n mathematics, there is typically only one type of square, which is a geometric shape with four equal sides and four right angles. Each angle measures 90 degrees. The sides of a square are all parallel and congruent to each other. The diagonals of a square are also congruent and bisect each other at right angles

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Human beings interact with the environment in various ways, utilizing its resources and adapting to its conditions. Here are some common ways in which humans use the environment:

1. Natural Resources: Humans rely on the environment for essential resources such as water, air, fertile soil, minerals, and energy sources like fossil fuels. These resources are used for various purposes, including drinking, irrigation, agriculture, manufacturing, transportation, and energy production.

2. Food Production: Humans engage in farming, fishing, and hunting to meet their dietary needs. Agriculture involves cultivating crops and raising livestock, while fishing and hunting provide sources of protein and sustenance.

3. Shelter and Infrastructure: Humans utilize the environment to construct shelters, buildings, and infrastructure. Materials like wood, stone, and metals are sourced from the environment to create homes, offices, roads, bridges, and other structures.

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The invention of paper is credited to the ancient Chinese civilization. Papermaking is believed to have originated in China during the early 2nd century BCE, during the Han Dynasty. The earliest known form of paper was made from mulberry bark, hemp, and other plant fibers. The Chinese technique of papermaking gradually spread to other parts of the world, including the Islamic world and Europe, leading to the widespread use of paper as a writing material.