Solid waste refers to discarded or useless solid materials generated by human activities in residential, manufacturing, or commercial settings. It can be classified into three groups. It claims that: The source (domestic, industrial, commercial, construction or institutional.) The contents (organic material, glass, metal, plastic paper etc.) Potential for danger (toxic, non-toxic, flammable, hazardous, contagious, etc.)

Synergism is defined as the combined action of two or more anti-infective agents that is greater than the number of the agents' individual activities. A variety of plant viral synergisms have been identified that do not involve a member of the potyvirus family.

The biosphere is described as the area of the planet where organisms live, which includes both the land and the air. The biosphere is known as the area where life occurs on, above, and below the Earth's surface. The biosphere is a small area on the earth's surface where soil, water, and air come together to support life. Only in this region can life exist. There are several different forms of life, ranging from fungi and bacteria to large animals.

When a volume of any material or source of energy is released into the atmosphere faster than it can be distributed or safely stored, pollution occurs. Both artificial and natural materials that are produced, consumed, and discarded in an unsustainable manner are referred to as pollution.