The reddish-orange colour of weathering of volcanic ash is most likely due to its iron sulfide content which oxidizes to iron oxide so that limonite is yellow and hematite is red and in ash since it is such fine grained material it weathers more rapidly because it has a large surface area.
Answer:
As the moisture-rich air approaches the mountain, it rises and cools, and water molecules in the air combine to form small drops. The process where water vapor becomes a liquid is called condensation.
<span>the process of thermal expansion is the increase of volume resulting from an increase in temperature</span>
Answer and Explanation:
In epidemiology we study about investigation of elements that causes medical problems and applying this learning to control medical issues. it is the EOH specialists who require a firm understanding in epidemiological principles,because their job in a general public as EOH is vital. It is the EOH specialists who needs to guarantee heath and well being in work places.
They are constantly expected to discover answers for unpleasant condition,hygiene,occupation related illnesses to the laborers and they are required to forestall or possibly decrease the impacts of such issues. They need to search for early signs and side effects of word related illnesses in laborers, they ought to likewise groups aptitudes in doing straightforward tests like gathering of organic samples,should talk about the laborers with individual cleanliness, great sanitation rehearses and so on.
There are many examples which support this :
- In a significant number of the work spots like Engineering ventures, control plants, plane assembling, there will be a high commotion to which laborers are uncovered. This can cause issues even in their endocrine(hormonal) or in gastrointestinal framework. Along these lines, an EOH professional who is outstanding about this conditions can take essential activities like diminishing the work time frame in which the laborers are presented to high commotion, make them wear security instruments like ear fittings and caps, pivot of laborers and so on.
- Correspondingly in ventures where there is an opportunity of freeing radiation, genuine illnesses can results. Long haul introduction to these radiations can even bring about death or can cause difficult issues like skin malignancy. Here EOH expert can make fundamental strides like lessening the hour of introduction of laborers to radiations or appropriate protecting and so on.
- Workers in health care industries or in hospitals can also get disease by handling contaminated objects or from patients. So, an EOH practitioner should be able to make arrangements and safety measures to avoid this transmission and also should be able to recognize early signs and symptoms in workers by methods like bacteriological examination of sputum etc. which is common in lung infections.