SCIENCE 10 Q1 (W7-W8) 2022-2023.pptx
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The document discusses the theory of plate tectonics and possible causes of plate movement. It describes how the continents were originally joined together in a supercontinent called Pangaea, which later broke apart. It also explains seafloor spreading, where new ocean crust forms at mid-ocean ridges and pushes older rocks to the sides, and convection currents in the Earth's mantle that may drive the movement of tectonic plates.
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The document discusses the possible causes of plate tectonic movement, including convection currents, ridge push, and slab pull. Convection currents in the Earth's mantle are thought to be responsible for plate movements. Ridge push refers to the pushing force plates experience as they slide down the raised asthenosphere under mid-ocean ridges. Slab pull is the pulling force exerted as subducting plates sink into the mantle.
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The document summarizes key aspects of plate tectonics theory including continental drift, seafloor spreading, and evidence that supports these ideas. It describes how Alfred Wegener first proposed continental drift in 1912, though it was not widely accepted until the 1950s when evidence like paleomagnetism was discovered. It also explains how seafloor spreading was observed at mid-ocean ridges and helped explain continental drift, providing evidence like pillow lava, magnetic stripes in ocean crust, and dating of ocean floor rocks. Finally, it gives a brief overview of plate tectonics theory including major components like lithosphere, asthenosphere, convection cells, and different plate boundary types.
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The document discusses plate tectonics and the structure of the Earth. It explains that the Earth's crust is broken into plates that slowly move due to convection currents in the mantle. There are seven major tectonic plates and three types of plate boundaries: divergent where plates move apart, convergent where they move together, and transform where they slide past each other. These plate movements shape the Earth's surface over millions of years through earthquakes, volcanoes, and mountain building.
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this small pdf. will tell about how the crests rise in the east pacific and the life forms in those regions
evidences_plate.ppt
1. In 1912, Alfred Wegener proposed the continental drift theory which hypothesized that around 200 million years ago, all the continents were joined together in a supercontinent called Pangaea which later broke apart.
2. Evidence from fossils of the same plants and animals found across continents now separated by oceans, matching rock formations, and coal deposits provided support for continental drift.
3. In the 1960s, the theory of seafloor spreading was developed which helped explain continental drift as new ocean crust is formed at mid-ocean ridges and pushed continents apart.
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Continental drift is the hypothesis that the Earth's continents have moved over geologic time relative to each other. Plate tectonics studies the movement of continents on tectonic plates. There are three main types of tectonic plate boundaries: subduction zones where plates converge, divergent margins where plates spread apart, and transform margins where plates slide past each other. Seafloor spreading occurs at divergent boundaries as heat from the Earth's mantle causes the seafloor crust to crack and new crust is formed, pushing the plates apart over millions of years. The 2004 Sumatra-Andaman earthquake, measured at over 9.0 on the Richter scale, was caused by movement along the Sumatra fault line and
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Continental drift theory developed by Alfred Wegener in 1912 proposes that the Earth's continents were once joined together and have been slowly moving apart over geologic time. Evidence for this includes matching fossil and rock formations found on different continents, as well as evidence that climates have changed in certain areas. The theory of plate tectonics expanded on this, stating that the Earth's lithosphere is made up of plates that move over Earth's surface, causing geologic events where they meet.
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5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
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2) Seafloor spreading was discovered at mid-ocean ridges and explained how new crust is formed through magma rising at these ridges and pushing plates apart over time.
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The document discusses plate tectonics and the structure of the Earth. It explains that the Earth's crust is broken into plates that slowly move due to convection currents in the mantle. There are seven major tectonic plates and three types of plate boundaries: divergent where plates move apart, convergent where they move together, and transform where they slide past each other. These plate movements shape the Earth's surface over millions of years through earthquakes, volcanoes, and mountain building.
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1. In 1912, Alfred Wegener proposed the continental drift theory which hypothesized that around 200 million years ago, all the continents were joined together in a supercontinent called Pangaea which later broke apart.
2. Evidence from fossils of the same plants and animals found across continents now separated by oceans, matching rock formations, and coal deposits provided support for continental drift.
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Continental drift is the hypothesis that the Earth's continents have moved over geologic time relative to each other. Plate tectonics studies the movement of continents on tectonic plates. There are three main types of tectonic plate boundaries: subduction zones where plates converge, divergent margins where plates spread apart, and transform margins where plates slide past each other. Seafloor spreading occurs at divergent boundaries as heat from the Earth's mantle causes the seafloor crust to crack and new crust is formed, pushing the plates apart over millions of years. The 2004 Sumatra-Andaman earthquake, measured at over 9.0 on the Richter scale, was caused by movement along the Sumatra fault line and
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Continental drift theory developed by Alfred Wegener in 1912 proposes that the Earth's continents were once joined together and have been slowly moving apart over geologic time. Evidence for this includes matching fossil and rock formations found on different continents, as well as evidence that climates have changed in certain areas. The theory of plate tectonics expanded on this, stating that the Earth's lithosphere is made up of plates that move over Earth's surface, causing geologic events where they meet.
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Plant breeding for disease resistance is a strategy to reduce crop losses caused by disease. Plants have an innate immune system that allows them to recognize pathogens and provide resistance. However, breeding for long-lasting resistance often involves combining multiple resistance genes
Bob Reedy - Nitrate in Texas Groundwater.pdf
Presented at June 6-7 Texas Alliance of Groundwater Districts Business Meeting
Remote Sensing and Computational, Evolutionary, Supercomputing, and Intellige...
Remote Sensing and Computational, Evolutionary, Supercomputing, and Intellige...University of Maribor
Slides from talk:
Aleš Zamuda: Remote Sensing and Computational, Evolutionary, Supercomputing, and Intelligent Systems.
11th International Conference on Electrical, Electronics and Computer Engineering (IcETRAN), Niš, 3-6 June 2024
Inter-Society Networking Panel GRSS/MTT-S/CIS Panel Session: Promoting Connection and Cooperation
https://www.etran.rs/2024/en/home-english/SAR of Medicinal Chemistry 1st by dk.pdf
In this presentation include the prototype drug SAR on thus or with their examples .
Syllabus of Second Year B. Pharmacy
2019 PATTERN.
The binding of cosmological structures by massless topological defects
Assuming spherical symmetry and weak field, it is shown that if one solves the Poisson equation or the Einstein field
equations sourced by a topological defect, i.e. a singularity of a very specific form, the result is a localized gravitational
field capable of driving flat rotation (i.e. Keplerian circular orbits at a constant speed for all radii) of test masses on a thin
spherical shell without any underlying mass. Moreover, a large-scale structure which exploits this solution by assembling
concentrically a number of such topological defects can establish a flat stellar or galactic rotation curve, and can also deflect
light in the same manner as an equipotential (isothermal) sphere. Thus, the need for dark matter or modified gravity theory is
mitigated, at least in part.
The debris of the ‘last major merger’ is dynamically young
The Milky Way’s (MW) inner stellar halo contains an [Fe/H]-rich component with highly eccentric orbits, often referred to as the
‘last major merger.’ Hypotheses for the origin of this component include Gaia-Sausage/Enceladus (GSE), where the progenitor
collided with the MW proto-disc 8–11 Gyr ago, and the Virgo Radial Merger (VRM), where the progenitor collided with the
MW disc within the last 3 Gyr. These two scenarios make different predictions about observable structure in local phase space,
because the morphology of debris depends on how long it has had to phase mix. The recently identified phase-space folds in Gaia
DR3 have positive caustic velocities, making them fundamentally different than the phase-mixed chevrons found in simulations
at late times. Roughly 20 per cent of the stars in the prograde local stellar halo are associated with the observed caustics. Based
on a simple phase-mixing model, the observed number of caustics are consistent with a merger that occurred 1–2 Gyr ago.
We also compare the observed phase-space distribution to FIRE-2 Latte simulations of GSE-like mergers, using a quantitative
measurement of phase mixing (2D causticality). The observed local phase-space distribution best matches the simulated data
1–2 Gyr after collision, and certainly not later than 3 Gyr. This is further evidence that the progenitor of the ‘last major merger’
did not collide with the MW proto-disc at early times, as is thought for the GSE, but instead collided with the MW disc within
the last few Gyr, consistent with the body of work surrounding the VRM.
Travis Hills' Endeavors in Minnesota: Fostering Environmental and Economic Pr...
Travis Hills of Minnesota developed a method to convert waste into high-value dry fertilizer, significantly enriching soil quality. By providing farmers with a valuable resource derived from waste, Travis Hills helps enhance farm profitability while promoting environmental stewardship. Travis Hills' sustainable practices lead to cost savings and increased revenue for farmers by improving resource efficiency and reducing waste.
Nucleophilic Addition of carbonyl compounds.pptx
Nucleophilic addition is the most important reaction of carbonyls. Not just aldehydes and ketones, but also carboxylic acid derivatives in general.
Carbonyls undergo addition reactions with a large range of nucleophiles.
Comparing the relative basicity of the nucleophile and the product is extremely helpful in determining how reversible the addition reaction is. Reactions with Grignards and hydrides are irreversible. Reactions with weak bases like halides and carboxylates generally don’t happen.
Electronic effects (inductive effects, electron donation) have a large impact on reactivity.
Large groups adjacent to the carbonyl will slow the rate of reaction.
Neutral nucleophiles can also add to carbonyls, although their additions are generally slower and more reversible. Acid catalysis is sometimes employed to increase the rate of addition.
Deep Software Variability and Frictionless Reproducibility
Deep Software Variability and Frictionless ReproducibilityUniversity of Rennes, INSA Rennes, Inria/IRISA, CNRS
The ability to recreate computational results with minimal effort and actionable metrics provides a solid foundation for scientific research and software development. When people can replicate an analysis at the touch of a button using open-source software, open data, and methods to assess and compare proposals, it significantly eases verification of results, engagement with a diverse range of contributors, and progress. However, we have yet to fully achieve this; there are still many sociotechnical frictions.
Inspired by David Donoho's vision, this talk aims to revisit the three crucial pillars of frictionless reproducibility (data sharing, code sharing, and competitive challenges) with the perspective of deep software variability.
Our observation is that multiple layers — hardware, operating systems, third-party libraries, software versions, input data, compile-time options, and parameters — are subject to variability that exacerbates frictions but is also essential for achieving robust, generalizable results and fostering innovation. I will first review the literature, providing evidence of how the complex variability interactions across these layers affect qualitative and quantitative software properties, thereby complicating the reproduction and replication of scientific studies in various fields.
I will then present some software engineering and AI techniques that can support the strategic exploration of variability spaces. These include the use of abstractions and models (e.g., feature models), sampling strategies (e.g., uniform, random), cost-effective measurements (e.g., incremental build of software configurations), and dimensionality reduction methods (e.g., transfer learning, feature selection, software debloating).
I will finally argue that deep variability is both the problem and solution of frictionless reproducibility, calling the software science community to develop new methods and tools to manage variability and foster reproducibility in software systems.
Exposé invité Journées Nationales du GDR GPL 2024
ANAMOLOUS SECONDARY GROWTH IN DICOT ROOTS.pptx
Abnormal or anomalous secondary growth in plants. It defines secondary growth as an increase in plant girth due to vascular cambium or cork cambium. Anomalous secondary growth does not follow the normal pattern of a single vascular cambium producing xylem internally and phloem externally.
Cytokines and their role in immune regulation.pptx
This presentation covers the content and information on "Cytokines " and their role in immune regulation .
20240520 Planning a Circuit Simulator in JavaScript.pptx
Evaporation step counter work. I have done a physical experiment.
(Work in progress.)
8.Isolation of pure cultures and preservation of cultures.pdf
Isolation of pure culture, its various method.
Shallowest Oil Discovery of Turkiye.pptx
The Petroleum System of the Çukurova Field - the Shallowest Oil Discovery of Türkiye, Adana
Comparing Evolved Extractive Text Summary Scores of Bidirectional Encoder Rep...
Comparing Evolved Extractive Text Summary Scores of Bidirectional Encoder Rep...University of Maribor
Slides from:
11th International Conference on Electrical, Electronics and Computer Engineering (IcETRAN), Niš, 3-6 June 2024
Track: Artificial Intelligence
https://www.etran.rs/2024/en/home-english/Recently uploaded (20)
Remote Sensing and Computational, Evolutionary, Supercomputing, and Intellige...
Remote Sensing and Computational, Evolutionary, Supercomputing, and Intellige...
The binding of cosmological structures by massless topological defects
The binding of cosmological structures by massless topological defects
The debris of the ‘last major merger’ is dynamically young
The debris of the ‘last major merger’ is dynamically young
mô tả các thí nghiệm về đánh giá tác động dòng khí hóa sau đốt
mô tả các thí nghiệm về đánh giá tác động dòng khí hóa sau đốt
Travis Hills' Endeavors in Minnesota: Fostering Environmental and Economic Pr...
Travis Hills' Endeavors in Minnesota: Fostering Environmental and Economic Pr...
Deep Software Variability and Frictionless Reproducibility
Deep Software Variability and Frictionless Reproducibility
Cytokines and their role in immune regulation.pptx
Cytokines and their role in immune regulation.pptx
20240520 Planning a Circuit Simulator in JavaScript.pptx
20240520 Planning a Circuit Simulator in JavaScript.pptx
8.Isolation of pure cultures and preservation of cultures.pdf
8.Isolation of pure cultures and preservation of cultures.pdf
Comparing Evolved Extractive Text Summary Scores of Bidirectional Encoder Rep...
Comparing Evolved Extractive Text Summary Scores of Bidirectional Encoder Rep...
SCIENCE 10 Q1 (W7-W8) 2022-2023.pptx
- 1. The Mystery of Plate Movement…..(Week 7-8) MOST ESSENTIAL LEARNING COMPETENCIES: DESCRIBE THE POSSIBLE CAUSES OF PLATE MOVEMENT (S10ES-LA-J-36.5)
- 4. According to this theory, all the continents were joined together in one land mass called Pangaea. /pan-jee-uh/ 1. Laurasia was the name given to the NORTHERN part of Pangaea 2. Gondwana was the name given to the SOUTHERN part of Pangaea
- 9. The Seafloor Spreading Theory states that oceanic crust forms along the mid-ocean ridge system and spreads out laterally away from them. Seafloor Spreading is a geologic process in which tectonic plates – large slabs of the Earth’s lithosphere – split apart from each other.
- 10. New ocean floor forms along cracks in the ocean crust as molten materials erupts from the mantle spreading out and pushing older rocks to the sides of the crack. New ocean floor is continually added by the process of seafloor spreading.
- 12. Convection currents form because a heated fluid expands, becoming less dense. The less-dense heated fluid rises away from the heat source. As it rises, it pulls cooler fluid down to replace it. This fluid in turn is heated, rises and pulls down more cool fluid.