Αποτελέσματα Αναζήτησης
Pencemaran air ialah perubahan yang berlaku kepada air dari segi kandungan atau warna serta sifat-sifat kimia yang disebabkan oleh pelbagai bahan pencemar dalam pelbagai bentuk seperti pepejal, cecair dan gas.
Air pollution is the contamination of air due to the presence of substances called pollutants in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials. [1]
19 Δεκ 2018 · Comprehensive introduction to the primary causes of air pollution today with an emphasis on growing urban populations and mega-cities. Discusses both anthropogenic and biogenic emissions and...
19 Ιουν 2019 · Summary. The Earth’s atmosphere is composed mostly of molecular nitrogen (N 2, 78 % of dry air) and molecular oxygen (O 2, 21 % of dry air). It holds also a fair amount of water vapor (H 2 O), which varies greatly in concentration (ranging from negligible in dry regions to a few % in humid regions) and leads to the formation of clouds and ...
Air pollution: the release of chemicals and particulates into the atmosphere. Common gaseous pollutants include carbon monoxide, sulfur dioxide, chlorofluorocarbons (CFCs) and nitrogen oxides produced by industry and motor vehicles.
From smog hanging over cities to smoke inside the home, air pollution poses a major threat to health across the globe. Almost all of the global population (99%) are exposed to air pollution levels that put them at increased risk for diseases including heart disease, stroke, chronic obstructive pulmonary disease, cancer and pneumonia. WHO ...
19 Δεκ 2018 · Comprehensive introduction to the primary causes of air pollution today with an emphasis on growing urban populations and megacities. Discusses both anthropogenic and biogenic emissions and their effects on human health and the environment.
