Testing on the effectiveness of anti acne gel (Acne vulgaris) mild and moderate degree acne from ethanol extract of galanga (Kaemferia galanga L.) in students at Miftahus Salam Boarding School in Banyumas Yenni Bahar*‚ Berna Elya*‚ Mahdi Jufri* Faculty of Pharmacy‚ University of Indonesia‚ Depok 16424‚ Indonesia Coresponding author : yennibahar@gmail.com ABSTRACT Acne is an aesthetic skin disorder‚ usually in adolescents‚ with a clinical manifestation of comedones‚ papules‚ pustules‚ and nodules
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The History of plate tectonics Before the plate tectonics revolution of the 1960’s geographers had a very basic understanding of global geological phenomena’s. while there had been many theory’s put fort that were used to try and explain these phenomena’s none had been completely successful till finally In the 1960’s The theory of plate tectonics was put forth. It was truly a unifying concept as it helps us to explain and finally understand many different aspects of geography such as the geography
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Constructive Plate Boundary Definition: (Divergent boundary) - Where two plates move away from each other and new oceanic crust is formed. What is a Constructive Plate Boundary? At divergent plate margins‚ plates are moving apart and new lithosphere is being created. In the oceans‚ this has produced the mid ocean ridge system‚ which can also be described as a global range of underwater mountains. Well known ocean ridges include the Mid Atlantic Ridge‚ the East Pacific Rise‚ the Juan de Fuca
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Plate Tectonics: An Essay By: Grace Park Science 9 Mr. Achor 11-22-11 In the early 1900’s‚ scientists began to ask questions about the earth and it’s continents. Why are the same fossils found on opposite sides of the globe? Why do South America and Africa seem to fit together like two pieces of a jigsaw puzzle? Some scientists went to rather extreme measures to explain these strange phenomenons. Others took the time to come up with detailed theories
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DT420 10/10/12 Microbes are Everywhere Microbiology Lab. TFMB1001 24/10/12 Aim of the experiment: Prove that microbes are everywhere Materials required: Agar dishes NA‚ Petri dish S.D.A.(sucrose dextrose)‚ swabs‚ cotton bud‚ labels and marker. Procedure: (A) – Isolate microbes from me (bacteria) 1- We marked‚ divided by 4 and labeled the bottom of our Petri dish. 2- On NA we swabbed areas such as: chicks‚ rings‚ underneath of a watch‚ sink and disinfectant trigger 3-We closed
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Volcanic and seismic events are major pieces of evidence towards proving that the plate tectonics theory is valid. The theory of tectonic plates was first posed by Alfred Wenger in 1912. Is the theory of how the earth lithosphere is made up of many separate pieces of the earth’s crust known as tectonic plates. He put forward the idea that all the earth’s continents were once conjoined in one supercontinent called Pangaea‚ and that these continents were moved by convection currents over a period
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Plate Tectonics Chart Amanda Wright GLG 150 February 24‚ 2013 Karen Hansen Plate Tectonics Chart 1) How does the motion of the tectonic plates affect the climate? Climate can be affected by many things. One of the biggest affects may be the motion of the tectonic plates. The Earths plates have been in motion approximately since its beginnings or shortly after‚ continuously causing climate to change. The Earth’s movement of plates as well as the apparent polar wandering can both play a role
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A plate tectonic is defined as a solid rock mass that builds up the Earth’s surface. The plate tectonic theory is a theory that geologists use to help explain the surface processes and events. The word plate means large pieces of the earth that are always in motion‚ lithosphere plates. Tectonics means how the continents formed and move over time. This is the theory that most geologists accept as to what happened to our continents. It states that Earth is made up of two layers‚ the lithosphere
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11/20/13 Earth Space Science Plate Tectonics Theory Plate tectonics is the theory that the outer rigid layer of the earth is divided into a couple of dozen plates that move around across the earth’s surface relative to each other‚ like slabs of ice on a lake. Plate Tectonics is cause by convection currents in the mantle of the Earth. This theory was originally called continental drift. The theory of “Pangea” that is the continents were connected was Alfred Wegener. The age of the sea floor is
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Table of Contents 1.0 Abstract 2 2.0 Introduction 2 3.0 Aims 3 4.0 Theory 3 5.0 Apparatus 5 6.0 Procedure 5 7.0 Result 7 8.0 Calculation 10 9.0 Discussion 11 10.0 Conclusion 13 11.0 Recommendation 13 12.0 References 13 13.0 Appendix 14 1.0 Abstract In this experiment‚ Escherichia coli is used as a sample to study the growth kinetic of microorganism in shake flask. A different volume of E.coli was transferred into 250ml Erlenmeyer/shake flask containing media for the
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