In early society, girls were restricted from play. They were restricted inside homes. But, now it is considered that Play is fundamental to children’s happiness and well-being, and the evidence shows that it is also influential in their health and processes of future life developments.
Some environmentalists define land pollution as – build up of toxic chemical compounds, salts, pathogens or radioactive materials in soil that can affect plant and animal life adversely, is called as soil pollution.
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.
The bread of maize and vegetable of mustard leaves during winter are popular food items. Their popularity originates basically from the Punjab state of India.
We have damaged ecosystems in the name of development. Wildlife too is facing danger. Our activities have impacted in such ways that animal population has fallen into a serious zone of danger.
Lots of discussion is going on about combining coarse grains in our food. The United Nations has decided to celebrate the year 2023 on international levels the year of course grains. It was initiated by the Prime Minister of India Mr. Narendra Modi.
Substances that are thrown out to some place due to their uselessness or excreted out of our body are called as waste substances.
It is reported that intake of Moringa leaf extract helps reduce High Blood Pressure by preventing thickening of arteries. However, it has been confirmed through researches on animals, not on humans.
In irrigated conditions 80 kg of Nitrogenous fertilizers, 30 kg of Phosphorus, 20 kg of Potassium and 20 kg of Sulphur fertilizers are recommended in one hectare of land for the linseed cultivation.
Soil is the loose material that covers the land surface of the earth, supports the growth of plants and acts as a habitat for numerous organisms.
The conditions of a habitat remain changing abruptly and periodically. Abrupt changes in environment often do not give time to an organism to get ready and to face the challenges. As such the organism can survive only when it has sufficient abilities to tolerate these changes.
