The correct answer is C. Pollution.
Pollution is the undesirable change in physical, chemical or biological characteristics of air, land and water. It is caused by human activities such as burning fossil fuels, industrial processes, and agriculture. Pollution can have a negative impact on human health, the environment, and the economy.
A pollutant is a substance or energy that can cause pollution. Pollutants can be natural or man-made. Natural pollutants include volcanic eruptions, forest fires, and dust storms. Man-made pollutants include emissions from cars, factories, and power plants.
Ecodestruction is the destruction of an ecosystem. It can be caused by human activities such as deforestation, mining, and pollution. Ecodestruction can have a negative impact on the environment, the economy, and human health.
All of these are related to the undesirable change in physical, chemical or biological characteristics of air, land and water.