includes: Ozone, acid rain, photochemical smog, nitrogen dioxide, sulphuric acid, these are discussed in the essay. The essay made use of material in the Open Educational Resources (OERs). The OERs are defined as any educational material found in the public domain which allows any use to freely copy, share adapt and reshape. This includes: lecturer notes, assignments, videos, textbooks. Thus this essay was written after consultation of various sources. Different secondary pollutants were identified,
changes to the surface of our planet is the accumulation and fragmentation of plastics” (Hopewell, Dvorak, Kosior). Is recycling plastic, glass, paper and decreasing the amount of waste in general landfills an effective method to reducing waste? In this essay, the effects of plastic, glass and paper on our planet will be discussed as well as the positives and negatives of recycling. Recycling will be questioned, to see if it is the most effective method. Recycling is one of the three most effective ways
paper, metal, etc. But it also has new roles only it can fill. It can be used to make bottles, cans, supermarket bags, plastic bottles, etc. The word plastic itself comes from the word ‘plasticos’, which means to be shaped or molded by heat. In this essay I will talk about whether new technologies will solve the global problem of our increasing need for plastic and how science plays a role in this aspect. Plastics are polymers. Polymers are very large molecules that are made up of thousands of atoms
Many of the workers across the globe are exposed to risks at their working places that resulted disability or ill health. Hazardous conditions like handling heavy loads, breathing in dusts, being exposed to noise, vibration, using of different chemicals and working with animals cause different occupational health problems for many. Sometimes symptoms can take years to develop and in other cases this can result in premature death. Many of those in the industry do not consult their doctor unless
waste water treatment plant located Apphughar, Visakhapatnam. This wastewater treatment plant is a 25MLD which receives raw sewage wastewaters from domestic uses from surrounding the city. The physico chemical parameter analysis reports were given in the Table 4.7.1. Table 4.7.1 Physical and chemical for the raw sewage at 25MLDss S.No. Parameter STP inlet (mg/L) 1 pH 7.22 2 Total dissolved solids(TDS) 1330 3 Total suspended solids (TSS) 226 4 Total alkalinity as CaCO3 639 5 Chlorides 352 6 Sulphates