Alcohol has many sensations and effects like dizziness, nausea and loss of concentration.
In purifying drinking water alum is used for coagulation of mud particles.
Any factor limiting the size of a population whose effect is not dependent on the number of individuals in the population, then such factor is called Density Independent Factor. It is things that the organisms have no control over.
Here in the given options, food shortage and disease are factors that are dependent on the number of population but Floods have no dependency.
Some examples of density independent factors are :: Earth quake, fires, volcanic eruptions, floods, and all natural calamities.
Air pollutants are solid particles, gases, and liquid droplets in the air that can adversely affect ecosystems and the health of humans.
Major ambient air pollutants include toxic metals, polycyclic aromatic hydrocarbons, benzene, particulate matter (PM), nitrogen oxides, sulfur oxides, carbon monoxide, and ozone. Power plants, factories, and vehicle and air traffic are the most important anthropogenic sources of air pollution.
In addition, natural sources such as wildfires and volcanic activity contribute to ambient air pollution.
The presence of vitamin D in the body enhances the absorption of calcium by the intestine.
The antiseptic compound present in dettol is Enloroxylenol.
Charaka Samhita was a work on Medicine.
The gas usually filled in the electric bulb is Nitrogen.
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