Anthills show the quality of soil.
A substance, factor, change, living being or a system that quantifies and simplifies phenomena and helps in understanding complex realities, is called as indicator.
It tells us something about changes in a system. There are many types of indicators some of which are- Financial Indicators, Poverty Indicators, Health Indicators, Environmental Indicators, and Indicators of Sustainable Development.
A substance, factor, change, living being or a system that quantifies and simplifies phenomena and helps in understanding complex realities,…
The biosphere has been composed of a number of highly complex ecosystems such as forests, grasslands, oceans, estuaries, deserts etc. These ecosystems have gone under threat over the years due to intensive human pressure of serious pollutions, habitats destructions, land, water bodies, wetlands and coastal zones reclamations and so on.
New Technologies are developed for improving and increasing industrial production. Similarly, new projects are formulated for providing energy to those…
Ever since the earth was inhabited, humans and other life forms have depended on things that exist freely in nature…
The development in all sectors of a country is essential to feed its growing numbers and to feed and to…
Some propagules or seeds incidentally travel long distances and reach to other county. There they germinate and produce new plants.
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.
Growth of human population, fast but unplanned industrialization and irresponsible behavior to environment are causing imbalances in the local, regional, national and global environment. These are causing not only local but global problems in the environment.
Substances that are thrown out to some place due to their uselessness or excreted out of our body are called as waste substances.
