earth as well covering very wide areas‚ often covering thousands of square kilometers‚ as well as convergent plate margins. The high pressure and temperatures are due to the process taking place at depths greater than 5 kilometers. Regional metamorphic rocks are almost always foliated and are formed under various degrees of differential stress caused by the tectonic forces and plate motions in combination with various settings of high pressures and temperatures. Basalt metamorphosed at low temperatures
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Convections Currents The main idea that I would like you to get from this set of notes is that convection currents are a swirling motion of a fluid that needs a heat source and a cold source to work. The rest of the notes will deal with supporting this idea and giving some examples of convections currents here on earth. Once the earth collects enough material it will start to get so heavy that it compresses inward toward the center of gravity a lot. This smashing of
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funnel is measured. The process is repeated after intervals of five minutes. The time is recorded and the height. * Diffusion in solids -4 agar plates -KMnO4 crystals -methyl orange -refrigeration -ruler The experiment requires 4 plates of agar due to his transparency and the colloid that forms when mixed with water. One pair of plates is labeled 4^0 C and the second pair RT (room temperature). After taking the lids of the first pair ‚using a tooth pick‚ a small crystal of potassium
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Houston‚ Seattle‚ and San Francisco have all experienced a fault shift. In the case of Houston‚ the likelihood of an earthquake is extremely low. The instances of a fault shift on that area of the North American Plate don’t occur often. Earthquakes that occur are not by normal means of plates shifting but from the process of fluid extraction (Fehling 19). Seattle on the other hand has a very high probability of an earthquake occurring. There are three different types of quakes that the city experiences
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North American Plate at a rate of a few centimeters for each year. In the event that the development proceeds in light of current circumstances and course‚ in 10 million years‚ Los Angeles‚ presently at low scope‚ will have moved northward to the same scope as San Francisco. In 50 to 60 million years‚ Baja California and parts of California west of the San Andreas flaw will have turned out to be totally isolated from whatever is left of the North American Plate. As the Pacific Plate and the North
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An agar plate is a Petri dish that contains a combination of agar and nutrients that help microorganisms grow. The proper method of setting microorganisms on an agar plate is know as “streaking”. In order to streak‚ the microorganisms are placed on a sterile swab or metal wire‚ which is then dragged lightly against the agar solution‚ leaving
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Mount Saint Helen’s Volcano‚ part of the cascade mount range‚ is associated with the subduction zone of the Juan du Fuca plate into the North American plate‚ as is most of the volcanism in this mount range (USGS Geology & History). The eruption intensity is normally quite explosive but Mt. Saint Hellen’s has experienced the peaceful one on occasion (USGS Geology & History). With frequent eruption every couple hundred years (rough estimate at best)‚ Mt. Saint Helen’s is the most active volcano of
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Wegener Correct b. Charles Darwin Incorrect c. Arthur Holmes Incorrect d. Harry Hess Incorrect . Correct Marks for this submission: 1/1. . Question 2 Marks: 1 The scientific community rejected the theory of plate tectonics because Alfred Wegener could NOT Choose one answer. a. identify a mechanism to move the continents. Correct b. disprove competing theories that were not accepted by scientists. Incorrect c. find geologic similarities
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Practical guide to detection and identification of Phytophthora Leaf blight A number of Phytophthora species cause leaf blight. These include: P. infestans on potato and tomato; P. palmivora on a large number of tropical fruit species including rubber‚ durian and macadamia; and P. colocasiae on taro. These blights on leaves are first seen as small flecks but within 3-5 days they expand to produce large lesions. Initially‚ infected tissue is water soaked but becomes necrotic (brown or black) in
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the investigation of the analgesic effect and anti-edematous effect of Ayurved Siriraj Ha-rak recipe (AVS022) and its components in Wistar rats 4.2.5 Study the central analgesic activity of AVS022 and its components on hot-plate test Initial studies utilizing the hot-plate test
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