answers question. • Checkanswer every if you have time at the end. • your answers P38731A ©2011 Edexcel Limited. 1/1/1/1/ *P38731A0132* Turn over 2 *P38731A0232* Answer ALL questions. 1 Atoms contain three different types of particle. These are electrons‚ neutrons and protons. (a) Which one of the three particles has a negative charge? (1) ............................................ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Eating fish is labeled as being good for your health; however is farmed fish good for you? More people are opting to eat fish. They have been influenced by reports from the American Heart Association‚ The United States Department of Agriculture and also mass media‚ that eating fish regularly (1 to 2 times a week)‚ may reduce the risk of diseases ranging from asthma and prostate cancer to heart disease. With this increase awareness of healthy benefits of eating fish adds to the trend of fish
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Sports Drinks vs. Water Some people think sports drinks replenish your fluids better than water while playing sports. Some say water replenishes better than sports drinks. According to some scientists sports drinks include many sugars and electrolytes that water does not have. Others say that those sugars and electrolytes actually dehydrate more than they hydrate. They say that water is much better than these drinks. Sports drinks are being used by people who are not even active‚ they just like
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Ornamental Fish Production Alasdair M. Weddell An essay submitted to the Institute of Fisheries Management for the Annual Study Course 2003‚ Nottingham May‚ 2004 Ornamental Fish Production Alasdair M. Weddell Institute of Fisheries Management Annual Study Course 2003‚ Nottingham ORNAMENTAL FISH PRODUCTION Alasdair M. Weddell May‚ 2004 Fish keeping is becoming an increasingly popular pastime across the western world‚ whether it is ornamental koi and goldfish in the garden pond
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“Tap Water or Bottled Water?” Tap water and bottled water are both good and harmful in their own ways but still we consume both everyday. Tap water is an all around better drink because it isn’t as expensive‚ not harmful to the environment‚ and not harmful to the human body. Statistics say that in 2008 they found 38 different contaminants in 10 different brands. Bottled water is also dangerous to our environment. People will not recycle the water bottles and the bottle will end up in our lakes‚
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The word “Population Growth” has its origin from the latin words ‘Populus’ meaning people. According to ecological term; “population is group of people of the same species occupying a particular space”. Population is subdivided further into demes or local population which is group of interbreeding organism in demes; they share a common gene pool. Population density is defined as a number of individual per unit area or per unit volume of environment. When the size of the individual is uniform the
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Oxygen Exchange and Transport Oxygen exchange or respiration takes place at a respiratory surface; a boundary between the external environment and the interior of the body. Gas exchange is the process by which oxygen and carbon dioxide (the respiratory gases) move in opposite directions across an organism’s respiratory membranes‚ between the air or water of the external environment and the body fluids of the internal environment. Oxygen is needed by cells to extract energy from organic molecules
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not big enough to contain the fish ’s long teeth. The viperfish is also bioluminescent‚ with photophores light-emitting organs on its dorsal fin and along its body to lure its prey to it. The fish has been observed hovering in place in the water with its dorsal fin curved around so that its photophore is waving near its mouth‚ as a means of drawing prey. Because the viperfish ’s body is dark blue or black in color‚ it is thought that other fish can see no part of it other than
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Table manners From Wikipedia‚ the free encyclopedia Table manners are the rules of etiquette used while eating‚ which may also include the appropriate use of utensils. Different cultures observe different rules for table manners. Each family or group sets its own standards for how strictly these rules are to be enforced. Contents [hide] • 1 United Kingdom • 2 North America • 3 India • 4 China • 5 South Korea • 6 See also • 7 References • 8 External links [edit] United Kingdom
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CHAPTER 1 INTRODUCTION BACKGROUND OF THE STUDY Fish is abundant in the Philippines and is the cheapest source of protein‚ thanks to advances made in aquaculture or fish farming. Aquaculture is contributing significantly to food security‚ livelihood‚ and the economy. It involves raising seaweeds‚ milkfish‚ tilapia‚ shrimp‚ oysters and mussels in tanks or enclosures‚ ponds‚ pens‚ cages and open coastal waters. Fish Farming has been practiced over a hundred of years. It is a viable‚ sustainable
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