Though all the nutrients are specific to health, let us see how calcium is important in particular. It is essential for strong immunity, and good for general health.It’s scarcity causes weak bones and many other problems.
Our natural resources are known to have some specific qualities of their own. These qualities are known as natural qualities. It is due to specific natural qualities that different natural resources have been useful to us and to the whole biosphere. But now, the condition has changed considerably. Most of our natural resources like air, water and soil have gone bad due to pollution of different types. What is pollution?
Human activities of pollution are modifying the natural process of green house effect. The advent of the Industrial Revolution in the 1700s boosted up the activities of burning of fossil fuels like coal, oil and natural gas which released lots of heat absorbing gases into the atmosphere.
The Government of India is planning to offer mid-day-meal to the helpless elderly persons also. Till now, school going children of up to 8th standard of schooling were provided free mid-day- meal in their schools.
Anything from which we can derive energy is called as a source of energy. Since all the life processes need energy, energy is most important for our survival.
Our body derives energy from the food we eat. Thus, the food we eat is the source of energy for our body. But this is not the whole story. We need energy for our growth and economic development as well.
Works done inside houses include works related to livelihood, child rearing, some small scale industries, human services, office works and indoor plays etc
Most of the ponds and lakes are drying up. The ground water level is falling down. As such the city is moving to grave water crisis.
The concept of joint forest management was initiated on a large scale through guidelines issued by the government of India in 1990. According to those guidelines the village communities are to be involved in the development and protection of degraded forests based on taking their genuine share of benefits from those forests.
The positive movements of a plant shoot in response to light or movement of shoot towards the source of light is called as Phototropism. If the part of a plant moves away from light, this movement is called as Negative Phototropism.
Man has been keeping animals and depending on them for his livelihood since the origin of civilization. Washermen have been depending on donkeys since long for carrying clothes.
Innumerable tribal people live in forests. Most of these are scheduled tribes. They depend on forests for their livelihood.
