1. In metropolitan cities, the primary source of water is groundwater. This water is made available to all people in the city. However, poor infrastructure in some localities makes it difficult for some people to obtain the water.

    In metropolitan cities, the primary source of water is groundwater. This water is made available to all people in the city. However, poor infrastructure in some localities makes it difficult for some people to obtain the water.

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  2. In populated metropolitan cities, the primary sources of water include groundwater and lakes. Groundwater is harvested with the help of borewells whereas pipes harvest water directly from the lakes. The harvested water is then stored in water tankers placed at strategic locations throughout the cityRead more

    In populated metropolitan cities, the primary sources of water include groundwater and lakes. Groundwater is harvested with the help of borewells whereas pipes harvest water directly from the lakes. The harvested water is then stored in water tankers placed at strategic locations throughout the city.

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  3. We can help in reducing the problem of waste disposal by these methods: 1. By separating biodegradable substances from non-biodegradable substances. 2. By reducing, reusing and recycling non-biodegradable substances.

    We can help in reducing the problem of waste disposal by these methods:
    1. By separating biodegradable substances from non-biodegradable substances.
    2. By reducing, reusing and recycling non-biodegradable substances.

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  4. Ozone (O3) is a molecule, made up of three atoms of oxygen. Ozone (O3) forms a layer in the upper atmosphere. It is very essential for the life on this planet. It shields the surface of the earth from ultra-violet radiation (UV) coming from sun as these radiations are very harmful causing skin canceRead more

    Ozone (O3) is a molecule, made up of three atoms of oxygen.
    Ozone (O3) forms a layer in the upper atmosphere. It is very essential for the life on this planet. It shields the surface of the earth from ultra-violet radiation (UV) coming from sun as these radiations are very harmful causing skin cancer and cataract in humans. It also does harm to the crops.

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  5. The Advantages of Nuclear Energy are: 1. Inexpensive- Nuclear power plants incur low operational costs because they rely on relatively simple operations. 2. Environmentally Friendly- Compared with other types of energy, nuclear power stands out as an environmentally friendly energy source. 3. RequirRead more

    The Advantages of Nuclear Energy are:
    1. Inexpensive- Nuclear power plants incur low operational costs because they rely on relatively simple operations.
    2. Environmentally Friendly- Compared with other types of energy, nuclear power stands out as an environmentally friendly energy source.
    3. Requires Low Amounts of Fuel.
    4. Stability.
    5. High Degree of Safety.

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