Earthquakes and Logarithms Earthquakes are responsible for a wast majority of natural hazards on our planet. This natural geological phenomena are almost impossible to predict‚ and they occur usually in zones of the planet that are prone to movement in the uppermost crust of the earth. Certain areas are more likely to experience earthquakes‚ and also the aftermath of the earthquakes can be just as destructive or sometimes even more. Different methods of measuring earthquakes have been implemented
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before the bone growth plates have closed. The most common cause of too much growth hormone release is a noncancerous (benign) tumor of the pituitary gland. The consequence is an accelerated growth rate and increased height as well as a number of additional soft tissue changes. * The growth plate‚ also known as the epiphyseal plate or physis‚ is the area of growing tissue near the ends of the long bones in children and adolescents. Each long bone has at least two growth plates: one at each end.
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days of microbiology in the 19th century‚ culture on agar plates has been a central technique for the study of bacteria. This practical is designed to introduce students to the basic techniques required to manipulate bacteria. Students will gain experience with the streak plate procedure‚ used to isolate pure colonies of bacteria‚ and viable plate count methods. The latter involves serial dilution and spread plating of bacteria on agar plates. Materials required per pair • One 10 ml liquid culture
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choose 2 extracts per group. The plants being tested are Oregano‚ Tea tree‚ Eucalyptus and Colloidal Silver. Obtain two nutrient agar plates and using a permanent marker draw four quadrants on the bottom of each agar plate. Using a sterile pipet transfer 250 ml of E. coli broth to the middle of each petri dish and evenly spread bacterial culture around the agar plate. Cover and allow the culture to soak into agar for at east 15 minutes. Using sterile forceps‚ carefully place one filter disk from
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Shakira Jarvis Microbiology Lab Assignment Laboratory Assignment Outline 1. Check in & The Microscope a. Review of proper lab etiquette. i. Review laboratory syllabus and b. Review of the Parts of a Microscope ii. Review of lab exercises about different types of Microscopes 2. Survey of Microorganisms c. Viewing‚ drawing‚ and describing several types of fungi‚ algae‚ and Bacteria iii. Chlamydomonas iv. Spirogyra
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result of it. The volcanic ash fell as far as San Francisco‚ which is 2‚996.8 miles from Santa Maria. The volcano didn’t calm down until three days after the first roars. The volcano was formed when the Cocos plate converged with the Caribbean plate. The Cocos plate moves under the Caribbean plate this process is called subduction. When Cocos melts‚ hot magma rises
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What is Earth’s mantle? The Earth’s mantle is a roughly 1‚800 mile (2‚900 km) thick shell of compressed and heated rock‚ beginning below the Earth’s crust (lithosphere)‚ which extends 3.1 miles (5 km) below the ocean floor and 19 to 31 miles (30 to 50 km) below the continents. What elements make up the Earth’s mantle? magnesium‚ silicon‚ iron‚ and oxygen Describe the “big splash” theory of the Moon’s origin? The currently accepted hypothesis for the Moon’s origin--which is supported by chemical
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Plate tectonics help us to explain the process of folding. According to the theory of plate tectonics‚ the earth’s crust is broken up into sections called plates. These plates float on the semi-molten mantle. Thermal convection currents in the mantle drag these plates in different directions resulting in tectonic activity. Folding occurs when rock layers that were originally horizontal are bent into a series of wave-like folds. As a result of this collision of the earth’s tectonic plates‚ the
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Prince William Sound‚ 75 miles east of Anchorage. This earthquake was and still is the second larges earthquake ever recorded (Christensen). The plates involved In this major earthquake were the Pacific plate and North American plate. This subduction zone is know as Aleutian-Alaska megathrust zone (Sokolowski). This region was known for its active plate tectonics‚ but this earthquake did come as a surprise to the public and scientists in the area. About 200-250‚000 kilometers squared of the earths
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theory about the formation of the Himalayas started to take shape in the year 1912 when German meteorologist Alfred Wegener developed his Theory of Continental Drift. According to Wegener‚ the earth was composed of several giant plates called tectonic plates. On these plates lie the continents and the oceans of the earth. The continents were said to have formed a single mass at one point in time. From this single mass‚ today’s continents have "drifted" apart from each other over a period of millions
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