An undesirable change in the characteristics of air, water and land environment that is harmful to humans and living things is known as?

An undesirable change in the characteristics of air, water and land environment that is harmful to humans and living things is known as?

ہوا، پانی اور زمینی ماحول کی خصوصیات میں ایسی ناپسندیدہ تبدیلی جو انسانوں اور جانداروں کے لیے نقصان دہ ہو، اسے _____ کہا جاتا ہے؟
Explanation
  • Pollution is the introduction of harmful or poisonous substances into the environment, causing damage to the air, water, and land.
  • This can have harmful effects on human health, wildlife, and the ecosystem as a whole.