1. There are four eras of Earth’s history they are Precambrian (87.6%)‚ Paleozoic (7.1)%‚ Mesozoic (3.9 %)‚ and Cenozoic (1.4 %) 2. There are four layers and two sub layers. * Inner core is solid metal and made up of nickel and iron * Outer core is made of a liquid molten core of nickel and iron * Mantle is made up of dense and mostly solid silicate rock * Lithosphere is the uppermost layer (100km thick) * Asthenosphere is the layer below the
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flocculant or water treatment‚ antibiotic‚ source of oil‚ and coagulant for turbid waters. It is also called "mother’s best friend"‚ and "miracle vegetable" by many who know malunggay’s beneficial uses. It is cultivated in all countries of the tropics. It is easy to plant and is available year-round. Wood Vinegar According to Thailand’s Department of Agriculture‚ wood vinegar has the following broad benefits: • Improvement of soil quality • Elimination of pest • Plant growth control;
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Earth Science Vocab Unit 4 Celestial Objects-A natural object which is located outside of Earth’s atmosphere‚ such as the Moon‚ the Sun‚ an asteroid‚ planet‚ or a star. Arc- a continuous portion of a circle Constellation-A group of stars forming a recognizable pattern that is traditionally named after its apparent form or identified with a mythological figure. Apparent daily motion- Objects in the sky appear to rise in the East and set in the West each day. This apparent daily motion
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both out of this range. Queensland has acidic soils‚ where the pH is typically between 4.0 and 5.5‚ and South Australia has alkaline soils‚ where the pH is between 7.0 and 8.0 (Figure 1). Limitations of phosphate nutrition in South Australian and tropic soils Phosphorus is a naturally occurring element and has a low abundance of less than one per cent
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World War I‚ World War II‚ the Korean War‚ and the Vietnam War combined. Over one quarter of the world’s population are at risk from parasitic infections‚ and the majority of these infections are confined to the world’s poverty belt‚ the tropics and sub-tropics. Low income levels are greatly associated with debilitating disease patterns. Kala Azar‚ Black Fever‚ Sand Fly Disease‚ and Dum Dum Fever; all different names for one fatal‚ flesh-eating disease‚ spread by the almighty bite of the vicious
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and North America; the near simultaneous occurrence of outbreaks on three continents indicates that these viruses and their mosquito vector have had a worldwide distribution in the tropics for more than 200 years. During most of this time‚ dengue fever was considered a benign‚ nonfatal disease of visitors to the tropics. Generally‚ there were long intervals (10-40 years) between major epidemics‚ mainly because the viruses and their mosquito vector could only be transported between population centers
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EVALUATION OF NEWLY RECOMMENDED SWEET POTATO VARIETIES UNDER COCONUT BY NELSIE MODINA FERNANDEZ Abstract This study was conducted to evaluate the growth and yield performance of different sweet potato varieties grown under coconut‚ and to determine which variety of sweet potato would perform best under coconut. Among the agronomic characteristics measured‚ only herbage yield differed significantly among sweet potato varieties and was lowest in PSB-Sp 16. Based on ocular observation‚ this might
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photography -RADAR -LIDAR 16. What are the three main types of density? How are they different? -Arithmetic‚ Agricultural‚ Physiological 17. What would be an example of a small scale map? -map of US 18. What is 23.5 North latitude called? -Tropic of Cancer 19. What are some common types of map
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Geranium is a genus of 422 species of flowering annual‚ biennial‚ and perennial plants that are commonly known as the cranesbills. They are found throughout the temperate regions of the world and the mountains of the tropics‚ but mostly in the eastern part of the Mediterranean region. The long‚ palmately cleft leaves are broadly circular in form. The flowers have five petals and are coloured white‚ pink‚ purple or blue‚ often with distinctive veining. Geraniums will grow in any soil as long as it
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Brent Ian Luis NASC5 Z-3R Mrs. Faith Maranan Odessa Tumbali The Interactions and Interrelationships among the Different Components of the Ecosystem I. Introduction Ecology is the study of environmental systems‚ or as it is sometimes called‚ the economy of nature (Hall and Weiss‚ 2010). It studies interactions between different organisms and their environments‚ including relations within its own species and members of others. Ecology focuses more on the population
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