Monday, February 24, 2020

Neanderthal Essay Example | Topics and Well Written Essays - 1750 words

Neanderthal - Essay Example They also used arrow and spear to capture animal for food. Neanderthals used to hunt in small groups through surrounding the intended prey. During that time, they had the capacity of identifying the best animal for their consumption. They substantiated the meat they hunted with other natural roots and leaves. Women and other weaker members of the society also used to gather fruits to be consumed together with the hunted meats (Mason 78). Neanderthals make stone tools. However, this was during their old period of their emergence. Some of the stone tools made were used for slaughtering animals, digging, construction of their dwelling areas, and for other house hold activities. Stone tools were made by qualified member of the society. These specialists were among the most respected members of the society. As time move on, Neanderthals adopted other forms of tools. They came up with other tools which were more appropriate at that time. Some of the common tools at that time were stone flakes and all-purpose scrappers. These tools were used for all purpose of work in the society. During the upper Paleolithic, more tools were made from different materials and in different forms. The need for more specialist and tools for specific purpose necessitated the process. Craftsmen at this time also had specialist knowledge to make special tools from different materials. Some of the material which was used to make tools was bones, antlers, and some other right metals (McMullin 89). Neanderthal also used fire in their daily activities. At their early periods of their existence, Neanderthals were not aware of the existence of fire. They consumed raw meats, leaves and fruits. However, during their advanced ages of their existence, they developed the idea of the existence and use of fire. Neanderthals used fire in different facets of their lives. During this stage, they used fire to roast meat. They also used fire to warm their bodies at night and during cold seasons.

Friday, February 7, 2020

Generating electricity Assignment Example | Topics and Well Written Essays - 2500 words

Generating electricity - Assignment Example Most of the energy is generated in large power stations located too far from where the energy is in use. Therefore, they rely on the importation of energy so as to meet the increasing demand. Electricity is imported from New Zealand, which is characterized by a series of generation plants, and transported to the region through the national grid (David 2002). Natural gas from Taranaki is piped via a series of underground gas pipes and lines, whereas, petrol and aviation fuel produced at Marsden Point Refinery is conveyed to the county via a single pipe. Auckland portrays strong energy demand since the war characterized by high costs of transportation of fuel, increasing reliance on imported energy and low resilience towards altering energy supplies. The council has recognized that Auckland’s continued dependence on imported energy and the lengthy supply chains will pose risks to the future energy security of the country. Therefore, they must appropriately manage their energy so urces by ensuring proper land use decisions are made on the understanding of the current peak oil demand, and the perception of the climate change. Implications of Erecting Additional Transmission Lines The need to invest in the national grid For Auckland wellbeing and continuous economic performance, a secure energy source and supply is required. All the families and business in the region rely on the existence of a dependable energy supply in the form of electricity, gas or in other form. There is a high likelihood of Auckland’s demand for energy to rise in the future. Therefore, Transpower has to ensure that there are sufficient energy sources to meet the rising demand. Security of energy supply in Auckland has raised significant economic issues. There have been various challenges that have raised concern, for example, in 2006 extreme weather conditions lead to a failure at Otahuhu substation disrupting power supply to a large part of Auckland (Ray 2012). The majority of t he Auckland community needs the continuous supply of electricity. It is not only the residential and commercial markets that depend on electricity but also the entire activities of the country. The community’s public utility base or infrastructure relies on the uninterrupted supply of electricity. Other parts like water and waste treatment, schools, hospitals and ports heavily depend on electricity for efficient operation of their activities. Without electricity, the security and safety, health and environmental conditions are adversely compromised. Cost and funding implications Any project designed or implemented will experience and, therefore, meet some costs during the process, which will demand internal and external funding to complete the project as desired and fulfill all specifications and requirement expected. The choosing of a funding system will significantly affect the individual and state contribution to the share of the financial report. Although these effects ma y be negative, they also show the outcome levels achieved by the system, who receives formal support and the level of support given or received. Funding can be tendered by either private or public or both at the same time. Each system is always affected by both political and economical judgments (Sowell 2011). In choosing a funding system, the first criterion is to assess the performance of available