The common component of air pollution is particulate matter (PM). This is a complex mixture of extremely small particles and liquid droplets.
The major components of PM are sulphates, nitrates, ammonia, sodium chloride, black carbon, dust particles and water. PM comes from dust , soot, smoke, industry and vehicle exhaust as well as complex chemical reactions with other pollutants.
Burning of fossil fuels produces sulphur dioxide . It is a colorless gas that pollutes the air and can cause health problems affecting the respiratory system.
Answer:
Small mammals have lower BMR, but use more calories per kilogram than large mammals.
Answer:
Explanation:
Plant transport systems move energy from leaves and raw materials from roots to all their parts. The xylem (tissue) moves water and minerals obtained from the soil to all other parts of the plants.
Refined carbohydrates tend to be much in lower in
fiber and vitamins than whole grains. These are complex carbs that have had fiber removed from them
leaving reproduce simple carbohydrates. These are rapidly absorbed causing a
blood sugar increase, which is followed by some crash. During the milling
process, the germ and bran is peeled and the grain's endosperm is crushed. The
final product becomes easier to gnaw and digest. The main reason manufacturers
process the grain is to lengthen shell life.
