Air contains a major quantity of nitrogen, which makes up about 78% of the Earth's atmosphere.

Dispersal of seeds and pollen of flowers in various plants occurs due to the presence of air, primarily through wind and other mechanisms.

The atmosphere is essential for life on Earth, providing necessary gases and regulating climate conditions.

A landfill is defined as a low-lying open area designated for the disposal of waste. It is designed to manage waste through containment and minimize environmental impact over time.

The rotting and conversion of organic materials into manure is known as composting. This process involves decomposition, turning waste into nutrient-rich compost that enhances soil fertility and supports plant growth.

The gizzard in red worms aids in grinding food. This muscular structure functions like teeth, breaking down organic matter, facilitating digestion, and enabling the worms to efficiently process their food.