Peru Peru is located on the west coast of South America‚ bordered by the South Pacific Ocean‚ Ecuador‚ Colombia‚ Brazil‚ Bolivia and Chile. Peru can be divided into three major regions‚ Costa (Coast) - the 3‚079-kilometer (1‚900 mile) Pacific Coastline; Sierra (Andes) - the central Andean Highlands; Selva (Amazon Basin) the remote eastern vastness of the Amazonian jungle. The best know of these is the central high sierra of the Andes‚ with its massive peaks‚ steep canyons‚ and extraordinary
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while in return Australia imports cheap toys produced by China and high-value products such as cars made in Japan. Reasons for international trade include employment‚ business and economic growth. Culture is all the knowledge and values shared by a society. The advantages of trade towards culture include a variety of products‚ multiculturism and offers lifestyle choice. A variety of products leads to a large variety in products and more freedom in choosing products. Multiculturalism welcomes and comforts
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Introduction: Diffusion and osmosis are passive processes of transport. Passive transport involves no disbursement of energy by the cell. Diffusion movement is from high concentration to low concentration‚ which the driving force for this type of movement is kinetic energy particles themselves. Which crystal (Methylene blue‚ solid or Potassium Permanganate KMnO4-purple) will move further than the other due to the driving force (kinetic energy)? My prediction is that Potassium Permanganate KMnO4-
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Diffusion and Osmosis Lab Introduction • What molecules can pass through a semi-permeable membrane? In this lab study we tested carbohydrates such as starch and glucose‚ as well as solutions like Benedict’s and Lugol’s to see if they would cross the membrane of a cell but since we can’t actually see that happen we used dialysis tubing (acts as the cell membrane). • My prediction was that glucose and Benedict’s could pass the semi-permeable membrane but starch and Lugol’s wouldn’t be able to
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Lab Report on Osmosis and Diffusion Biology 1‚ Period 3 March 15‚ 2010 Lab Team: Jason Perez‚ Kicia Long‚ Chris McLemore Purpose: The purpose of this lab is to observe the acts of passive transport: diffusion and osmosis in a model membrane system. The experiment will show how molecules in solution move from areas of higher concentration to areas of lower concentration. The model membrane is dialysis tubing. Materials Used 2.5 cm dialysis tubing 15% glucose
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threat to human life or property. 2) Natural hazards are cause by natural processes. 3) Natural hazards can be divided into two types: * Hydro-meteoroidal hazards (caused by climatic processes)- these include droughts‚ floods‚ tropical cyclones and storms. * Geophysical hazards (caused by land processes) – these include earthquakes‚ volcanic eruptions and landslides. Terms: 1) Disaster- when a hazard actually seriously affects humans. 2) Risk- the likelihood that humans will
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Exosphere- The outermost region of a planet’s atmosphere. Ionosphere- The layer of the earth’s atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves. It lies above the mesosphere and extends from about 50 to 600 miles (80 to 1‚000 km) above the earth’s surface. Thermosphere- The region of the atmosphere above the mesosphere and below the height at which the atmosphere ceases to have the properties of a continuous medium. The thermosphere is
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My First Lab Report: Diffusion and Osmosis To begin‚ this is my first time doing an experiment and a lab report for biology’s class. Although‚ it was a little hard at the beginning‚ my team and I got the hang of it and we finished it on time. It was actually kind of fun. There were three steps in the experiment: 3.1 A – Molecular Movement: In this session‚ I was observing a sample and determining if there was a movement or not. 3.1B –Diffusion through semi-permeable membrane dialysis tube: In this
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The purpose of this lab was to observe the rate of osmosis and diffusion‚ as well as the effect of molecular size of the particles on this rate. Part I of the lab was a demonstration of osmosis and diffusion‚ that dealt with raisins in different liquid environments‚ each with a different concentration of sugar. Part IV of the lab was using the same idea as the demonstration‚ by putting objects in different concentrations of a substance; in this case elodea leaves in salt water. In both cases‚ the
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Osmosis & Diffusion Review Sheet Name: Fill in the Blank away low high hypertonic hypotonic diffusion molecules osmosis vacuole water solute permeable towards semi-permeable concentration gradient 1. The cell membrane regulates and controls what kind of molecules ______ move in & out of the cell. 2. When molecules spread from an area of high to low concentration‚ it is called _Diffusion_____. 3. As molecules diffuse‚ they create a _concentration gradient_____
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