What is an Ecosystem? The word ecosystem is defined as a unit of nature that includes living organisms along with the physical environment interacting with each other. An ecosystem can be as small as a small pond or as large as a sea. The whole ecosystem is mainly classified into two categories namely, terrestrial and […]


What are Aerosols? Aerosols sometimes referred to as atmospheric aerosols are the tiny particles existing in either solid, liquid, or both forms that are suspended in the air. The diameter of these particulate matter ranges between 0.002 µm and 100 µm. The major natural sources of aerosols are dust, sea spray, etc. whereas anthropogenic sources […]

Layers of Atmosphere

Layers of Earth’s Atmosphere There are various properly marked horizontal layers of the atmosphere that are divided according to the temperature at different parts of the earth’s atmosphere. Mainly, there are five layers of atmosphere namely: Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere Before discussing each individual layer of the atmosphere. Let us see What is […]

Environmental Degradation

What is Environmental Degradation? Environmental Degradation is defined as the deterioration of the earth’s environment due to the depletion of natural resources present in our surroundings like air, water, and soil. It is considered a common concern for humankind. Air pollution, water pollution, and soil pollution have become major challenges for the natural environment. Before […]


What is Chromatography? One of the most helpful technique till date in the field of biochemistry is the Chromatography. This technique analyses the seperation of the closely related compound from any given mixture. These compounds can be amino acids, proteins, lipids, peptides, carbohydrates, vitmains, and minerals. The term “Chromatography” was first coined in the late […]

Soil Pollution

What is Soil Pollution? Soil Pollution is defined as the presence of contaminants or pollutants in the soil which exits due to various natural or human activities and lead to harmful effects on living bodies. It is severe when the concentration of toxic chemicals i.e., pollutants is quite high. In other words, soil pollution arises […]

Air Pollution

What is Air Pollution? Air Pollution is defined as the contamination of air due to the presence of entities like dust, gas, mist, smoke, smog, etc. in the atmosphere. The quantities, characteristics along with the duration for which these pollutants exist in the air hinder the lives of living organisms. Air pollution can be personal, […]

Toxic Chemicals in the Environment

The environment is full of chemicals. However, it is not necessary that all chemicals are toxic as some are toxic chemicals while some are non-toxic in nature. The science that involves the study of toxic chemicals and how they act in the environment is defined as Chemical Toxicology. Before elaborating on the presence of toxic […]

Types of Water Pollution

The various categories in which water pollution is classified are namely, Ground, and Surface pollution of water. Previously, we have discussed water pollution in detail. There we have mentioned that water pollution is defined as the presence of impurities within the water the presence of which degrades the quality of water and is further considered […]

Water Pollution

What is Water Pollution? Water Pollution is defined as the changes in physical, chemical, or biological characteristics of water that cause harmful effects on humans as well as aquatic species. Sometimes some unwanted substances are added to water that is not suitable for the bodies that make use of such water. This simply means that […]