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Airborne particulate matter can be a complex mixture of organic and inorganic substances which might be divided into two groups: coarse and fine particles. The fine particles include formed aerosols (gas that looked to particles), combustion particles, and metal vapors. The large particles are items like dust in the road or a factory. The fine particles are the ones most directly associated with acid rain and people are the ones we are likely to deal with today. They have one of the most relevance on the new laws in California regulating the emissions from semi-tractor trailers. While Santa Cruz is not a big city, you will find there's major artery, highway 1 which runs through our lovely ocean side communities in addition to mining in high altitude which generate particulates too. People with an anxiety disorder often have co-occurring mental health problems, such as depression, and this can increase serious risks like suicide. Often severe anxiety disorder symptoms and panic attacks are a warning sign and increase the risk of suicide. This picture amazingly captures the think layer of clouds within the valley near the south of Lake Como, northern Italy. In the above image, the dense cloud hides almost the valley and instead gives off some artificial lights which make the city like an opaque blanket. The village over distance is clearly seen from the blanket. Wildlife Conservation is the protection of varieties of life inhabiting the protected areas like national parks,wildlife sanctuaries.Its significance is in the fact that all living creatures include the thing about this complex but fragile web of life along with a slight disturbance can begin to play havoc using this web of life.The flora and fauna of this planet has been destroyed at an alarming pace and if sincere efforts are not provided with the proper time,an enormous socio-economic cost can be paid by us,humans.A variety of work is going on in the international levels to save & preserve the wildlife.A large number of living beings are stored on the verge of extinction like tigers,elephants,rhinoceros,snow leopards,giant pandas,bears,birds like siberian cranes,western tragopan,vultures.The disappearance of such mammals like tigers,lions,bears has emboldened the vested elements to destroy the forests his or her fearsome inhabitants disappear during these places.Worldwide work is created to create more areas as protected areas to ensure that a growing number of habitats could be given to these wildlife creatures.But the ever soaring adult population has posed most serious threat.More areas are transformed into concrete foests to accommodate the human being needs and greeds.