Forestry Importance: · Environmental-protective importance Oxygen Cleans the air/soils/ground water Protects the soil from erosion · Timber Firewood Woodwork Building materials Timber cellulose paper · Mushrooms/berries/juices · Habitat of different species Measuring the amount of forest: · Fixing the area under the forests (ha/%) -> In Estonia 47.4%, 2.143 mil/ha It doesn't take into account the amount of timber · To measure the amount of timber (m3) -> 352.7 mil/m3 It doesn't take into account the annual increase · To fix different species of trees (%) -> Pine 40%, Birch 30%, Spruce 20% · To measure the annual increase of timber (m3, ha, year) -> 9 mil. m3/ha/year Main principle of the economy of forests: Annual cutting should be equal to annual increase. Trees are divided into: · Precious trees (ebony, mahagony, sandalwood) · Hard-br...
Miina Härma Gymnasium Acid Rain Report Compiler: Teisi Timma 8a Teacher: Esther Linask Tartu 2009 Acid Rain Acid rain is rain consisting of water droplets that are unusually acidic because of atmospheric pollution - most notably the excessive amounts of sulfur and nitrogen released by cars and industrial processes. Acid rain is also called acid deposition because this term includes other forms of acidic precipitation such as snow. Acidic deposition occurs in two ways: wet and dry. Wet deposition is any form of precipitation that removes acids from the atmosphere and deposits them on the Earth's surface. Dry deposition polluting particles and gases stick to the ground via dust and smoke in the absence of precipitation. This form of deposition is dangerous however because precipitation can eventually wash pollutants into strea...
SISUKORD ENERGY STORY................................................................................................................4 USES OF ENERGY............................................................................................................. 4 2.1 Uses of energy in homes...............................................................................................5 2.2 Types of energy used in homes.................................................................................... 6 2.3 Energy use in different types of homes........................................................................ 6 2.4 Commercial Energy Use...............................................................................................9 2.5 Industrial and Manufacturing Energy Use..................................................................11 2.6 Transportation Energy Use.................................................
Color-- -1- -2- -3- -4- -5- -6- -7- -8- -9- Text Size-- 10-- 11-- 12-- 13-- 14-- 15-- 16-- 17-- 18-- 19-- 20-- 21-- 22-- 23-- 24 TWILIGHT By Stephenie Meyer Contents PREFACE 1. FIRST SIGHT 2. OPEN BOOK 3. PHENOMENON 4. INVITATIONS 5. BLOOD TYPE 6. SCARY STORIES 7. NIGHTMARE 8. PORT ANGELES 9. THEORY 10. INTERROGATIONS 11. COMPLICATIONS 12. BALANCING 13. CONFESSIONS 14. MIND OVER MATTER 15. THE CULLENS 16. CARLISLE 17. THE GAME 18. THE HUNT 19. GOODBYES 20. IMPATIENCE 21. PHONE CALL 22. HIDE-AND-SEEK 23. THE ANGEL 24. AN IMPASSE EPILOGUE: AN OCCASION twilight STEPHENIE MEYER LITTLE, BROWN AND COMPANY New York Boston Text copyright © 2005 by Stephenie Meyer All rights reserved. Little, Brown and Company Time Warner Book Group 1271 Avenue of the Americas, New York, NY 10020 Visit our Web site at www.lb-teens.com First Edition: September 2005 The characters and events portrayed in this book are fictitious. Any similarity to real persons...
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