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Name the raw materials and products of photosynthesis
In the primary sector, the use of smart raw material management with modern technology and business intelligence is becoming ever more important in providing energy-efficient food production. The global warming has given rise to the food resource crisis and placed the agriculture industry under great pressure; agriculturists need more efficient methods to maximize harvest yields in decreasing arable land. Using in-vehicle computers integrated with GPS and sensor technology, farming equipment can be steered automatically with turn-by-turn navigations without missing an area in the crop field and with improved seed and fertilizer distribution.
Recycling is defined as taking a product or material at the end of its useful life, and turning it into a usable raw material to create another product....
What are the materials and end products of photosynthesis?
are created by undisturbed organism remains that become saturated with various chemicals, which gradually replace the organic material with rock by . Few life forms ever become fossils but are instead consumed by other life. Rare dynamics lead to fossil formation, usually by anoxic conditions leading to undisturbed sediments that protect the evidence and fossilize it. Scientists estimate that only about 1%-2% of all species that ever existed have left behind fossils that have been recovered. Geological processes are continually creating new land, both on the continents and under the ocean. Seafloor strata do not provide much insight into life’s ancient past, particularly fossils, because the process in “mere” . The basic process is that, in the Atlantic and Pacific sea floors in particular, oceanic volcanic ridges spew out basalt and the plates flow toward the surrounding continents. When oceanic plates reach continental plates, the heavier (basaltic) oceanic plates are subducted below the lighter (granitic) continental plates. Parts of an oceanic plate were more than 100 mya and left behind plate fragments. On the continents, however, as they have floated on the heavier rocks, tectonic and erosional processes have not obliterated all ancient rocks and fossils. The oldest “indigenous” rocks yet found on Earth are . have been dated to 3.5 bya, and fossils of individual cyanobacteria have been dated to 1.5 bya. There are recent claims of finding . The oldest eukaryote fossils found so far are of . The first amoeba-like vase-shaped fossils date from about 750 mya, and there are recent claims of finding the first animal fossils in Namibia, of sponge-like creatures which are . Fossils from might be the first animal fossils, and some scientists think that animals may have first appeared about one bya. The first animals, or , probably descended from . The is a tail-like appendage that protists primarily used to move and it could also be used to create a current to capture food. Flagella were used to draw food into the first animals, which would have been sponge-like. When the first colonies developed in which unicellular organisms began to specialize and act in concert, animals were born, and it is currently thought that the evolution of animals probably only happened . In interpreting the fossil record, there are four general levels of confidence: inevitable conclusions (such as ichthyosaurs were marine reptiles), likely interpretations (ichthyosaurs appeared to give live birth instead of laying eggs), speculations (were ichthyosaurs warm-blooded?), and guesses (what color was an ichthyosaur?).
In the earliest days of life on Earth, it had to solve the problems of how to reproduce, how to separate itself from its environment, how to acquire raw materials, and how to make the chemical reactions that it needed. But it was confined to those areas where it could take advantage of briefly available potential energy as . The earliest process of skimming energy from energy gradients to power life is called respiration. That earliest respiration is today called because there was virtually no free oxygen in the atmosphere or ocean in those early days. Respiration was life’s first energy cycle. A biological energy cycle begins by harvesting an energy gradient (usually by a proton crossing a membrane or, in photosynthesis, directly capturing photon energy), and the acquired energy powered chemical reactions. The cycle then proceeds in steps, and the reaction products of each step sequentially use a little more energy from the initial capture until the initial energy has been depleted and the cycle’s molecules are returned to their starting point and ready for a fresh influx of energy to repeat the cycle.
How can the answer be improved?
When , there was real economic benefit from their activities, not simply accounting legerdemain, and their was more sustainable. Venetians and Genoese engaged in early instances of a similar process, but it began ascending in earnest as Europe conquered the world. The basic tenet of mercantilism was the acquisition of “treasure” by the mother nation via “trade.” The classic mercantile situation was forcing subjugated people to produce raw material for shipment to the imperial nation for processing. The finished goods would be shipped back to the subjugated people at an inflated price, as the imperial nation slowly milked the subject nation by unfair terms of exchange that they controlled (or sold such cheaply produced goods to other nations). In mercantilist practice, they did not usually dictate how the workforce was organized or how they worked. The intervention was at the market level, by interposing themselves into the process in which producers were enslaved and bled dry by unfair pricing for both raw goods and finished goods. The imperial power had both captive producers and markets for finished goods. Early colonial efforts were largely mercantilist in nature when they were not simply gold rushes.
Industrial societies manufacture huge quantities of goods. Once used, these products arecast away. Hence, on one hand we substract great amounts of resources from nature, on theother hand we make enormous heaps of garbage which pollute the environment. If you thinkof it, a lot of materials which are discarded could be reused. In fact, metals, plasticand glass can be used in manufacturing new items. Paper and fabric can be turned back intopulp and fibers, and reassembled into new products. Organic wastes of kitchen, usuallymade of vegetable and animal substances, and garden material, can be composted and used asfertilizer. Wood can be burned, yielding electrical energy, heat and carbon dioxide whichwill be used by other plants to produce more wood. Recycling of waste materials has thedouble advantage of reducing the need for raw materials, and the amount of rubbish.
Every day for a month, separate the different kinds of scrap of your home, weight them andwrite out a list. At the end, estimate the amount of materials which can be recycled,evaluate the recycling and waste management program of your community. Highlight theproblem areas of the system. Assess the problems created by not easily recyclable things,and by the polluting ones: paint cans, batteries, oils, detergents, medicines, etc. Bringout the difficulties and the questions facing particular problems in the recovery ofwastes. Ask the authorities of your city. Write a guide for families on how treat wastesin the right manner. Show this guide and the report of your research to your teacher.
Environmental Defense, Recycling
Recycling - At School
Recycling Obscure Materials
Global Recycling Network
The Internet Consumer Recycling Guide
Internet keywords: recycling.
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raw materials and products of respiration
A natural green building construction must satisfy two additional imperatives: the adaptation of the architecture to the landscape and its measurable data, alongside the use of natural materials, which if possible are renewable. The choice of the site must be made according to natural data. In effect, topological data have a great influence on the micro-climate and therefore on the properties of a building site. So in a basin where cold air stagnates, temperatures can be 6°C below those on a flat terrain just a few hundred metres away.
Architectural forms must be inspired by nature, with colours that do not seem artificial. Natural building techniques use the materials that nature provides. When these materials replace polluting synthetic products which consume a large quantity of energy in their manufacture, their use is highly recommended. The term “natural materials” essentially covers local (renewable) raw materials that can be used according to traditional craft methods or modern techniques.
terms of the starting materials and end products?
The company is committed to “work with governments, conservation organizations and others to ensure that procurement practices strengthen efforts to thwart illegal logging.” The policy covers all wood-based raw materials for all of the company’s mills worldwide and products for resale. Within the U.S. and Canada, Weyerhaeuser operations are in conformance with the Sustainable Forestry Initiative (SFI) standard. For sourcing, Weyerhaeuser’s SFI certified facilities will adhere to the SFI procurement principles and objectives. The company will take steps to ensure that their raw materials and products for distribution either originate in countries with effective laws against illegal logging, or are independently certified or verified under credible and transparent safeguards. The safeguards might include environmental management systems if the risk of illegal logging is significant. The company may work with suppliers that demonstrate the ability to come in compliance with the Weyerhaeuser policy within an agreed-upon timeframe.
what are the end products of photosynthesis
These are mineral wools, cellular glass, glass foam, expanded glass, expanded perlite, expanded vermiculite, expanded clay, pumice stone, pozzolana and mineral foam. These insulation materials are made of mineral raw materials (silica, clay, volcanic rock, etc.). They can also include certain products of recycling (glass, blast furnace coke, etc.) In an industrial process where various additives are generally integrated, the raw materials are transformed into fine fibres, rolls, panels, expanded granules, etc. with very variable properties.
Their production uses raw materials that are often abundant in the Earth’s crust, but the high-temperature manufacturing processes are energy-intensive and produce CO2. In the usage phase, products offer varying degrees of stability depending on their textures and densities. At the end of the building’s life, the possibilities of reuse or recycling depend greatly on the nature of these products and above all those associated with them. Mineral insulation materials can therefore only be used for green building applications according to their own properties.
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