Many ferns grow along north or west facing walls every year. Their spores might have been there in crevices during the dry season. Unless there is a supply of water from leaking pipe they complete their life cycle within the rainy season and pack up with the passing rains. They pass away and leave for us a lesson to remain happy and survive in hard conditions.
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.
As environment is common heritage and property of all nations of the world, the science of environment should also combine relevant matter so as to promote the value and necessities of local, national and international co-operation in the prevention and solution of environmental problems across the globe.
A careful study and examination is necessary to understand the nesting behaviour of birds. Nests can be and should be studied only after the migration of birds. A scientific observation and careful study of nests reveals the secrets of the nesting concepts of these little architects (birds).
The process by which a new species is introduced into a habitat is called as Bio invasion. A number of…
Waste too is found in three states- solids, liquids and gases. Liquid wastes such as different types of chemicals, useless medicines, detergents, pesticides, oil, automobile wastes etc. spread on the soil surface and make it poisoned. Decomposition and burning of things on ground produce different gases that pollute the air.
Button mushroom is very popular in Indian markets and in other countries. It’s commercial production can be a better option for employment. Recently Jharkhand has started the export of vegetables to other countries. If the state produces mushrooms of international standards, the farmers of this state can get better self employment.
The comfortable life style has reduced mobility of men, women, and children. The lock down during COVID-19 period has restricted human movement up to greater extent. Under these conditions arthritis may become a reason behind problems of joints.
Environment may be defined as ‘Complete range of various sets of external conditions comprising- physical, biological, and for human beings- cultural, economic and political conditions; in which human beings and other life forms exist in continuous interactions among themselves.
Growth and movements in plants occur due to internal and external factors. Plant hormones are internal factors while light, touch, gravity and other stimuli are external factors that affect plant growth and movements.
The mechanical process of breathing involves inspiration and expiration.
The Wind is Air in Motion. It is caused by differential heating of land, water, hills and mountain slopes by sun rays. About 25 % (i.e., 0.34 KW/m2) of incident solar radiation is dissipated as wind energy. There is kinetic energy in wind.
