What is the significance of a clean environment for human health?

A clean environment is important for good health because it reduces the risk of diseases and enhances overall well-being.

Fill in the blank: The environment includes both ___ and ___ things.

Living and non-living

Biodegradable waste is primarily composed of ___ materials that can be broken down by decomposers.

Organic

True or False: Non-biodegradable waste can be easily decomposed by natural processes.

False. Non-biodegradable waste cannot be broken down into simpler particles by decomposers.

What are the key steps involved in the management of non-biodegradable waste?

The key steps are proper storage to minimize spoilage, reducing waste production by avoiding unnecessary items, reusing materials for different purposes, and recycling old products to create new ones.

True or False: Vermicomposting utilizes fungi and bacteria to decompose organic matter.

False. Vermicomposting uses red earthworms instead of fungi and bacteria to break down organic matter into vermicompost.

What are the primary causes of air pollution and how do they affect living organisms?

Air pollution is primarily caused by industries and vehicles, leading to the contamination of air with harmful gases, dust, and smoke. This pollution drastically affects plants, animals, and humans by reducing air quality and posing health risks.

Water pollution occurs when harmful substances contaminate ___.

A stream, river, lake, ocean, aquifer, or other body of water, degrading water quality and rendering it toxic to humans or the environment.

Noise pollution is primarily caused by ___ and ___ that create unpleasant sounds.

Machines and vehicles

What role do greenhouse gases play in the greenhouse effect?

Greenhouse gases trap heat in the atmosphere, preventing it from escaping into space and thus warming the atmosphere.

True or False: The melting of polar ice caps due to global warming can lead to flooding of low-lying areas.

True