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1.11 Summary

Rocks are classified into three types according to how they were formed. Igneous rocks are formed by crystallisation from the molten state; sedimentary rocks are deposited at the Earth's surface from water, air or ice; and metamorphic rocks are rocks of any origin that have been subsequently transformed (metamorphosed) by heat and/or pressure, often several kilometres below the Earth's surface.

Rocks are generally either crystalline, i.e. formed of interlocking mineral crystals, or frag
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1.10 Changing sea-level

Sedimentary rocks reveal how environmental conditions in Britain's geological past were extremely different from those of the present day (in fact ‘Britain’, like the rest of the Earth's geography is transitory when viewed in terms of the very long span of geological time). As well as evidence from sedimentary rocks, recent landforms also indicate that in the more recent geological past (within the Quaternary Period), sea-level was not the same as it is at present.

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1.1 Popular conceptions about addiction and neural ageing

First of all, consider the following statements found in popular information media:

  • Some addictions are in the mind, like that to shopping, gambling or the internet, whereas others are in the body, like an addiction to heroin, alcohol or food.

  • Once you have tried cannabis, you are hooked for life. The craving for cannabis will never go away.

  • The thinking patterns of an addicted brain can never be changed.

  • Sm
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1.6.3 Mailing lists and newsgroups

Mailing or discussion lists are e-mail based discussion groups. When you send an e-mail to a mailing list address, it is sent automatically to all the other members of the list.

The majority of academic-related mailing lists in the UK are maintained by JISCMail  You will find details of joining these mailing lists on the JISCMail website. Mailing lists are useful for getting in touch w
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1.4.2 P is for Presentation

By presentation, we mean, the way in which the information is communicated. You might want to ask yourself:

  • Is the language clear and easy to understand?

  • Is the information clearly laid out so that it is easy to read?

  • Are the fonts large enough and clear?

  • Are the colours effective? (e.g. white or yellow on black can be difficult to read)

  • If there are graphics or photos, do they help
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Introduction

This unit is designed as an introduction to the academic study of the concept of rules, but will also serve as an introduction to a variety of different writing styles that are used in the academic world. It will challenge you to think about why some statements are rules and some are not, and what it is that distinguishes rules from habits and customs. It also looks at more formal rules and how such rules are applied and enforced. Rules shape our lives because they set out what we may and may
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Copyright © 2013 The Open University

9 Where do the ideas for an Act of Parliament come from?

Ideas for an Act of Parliament can come from many sources. You have explored the different types of Bills that exist, and been introduced to the idea that laws need to respond to social and political change. The list that follows is not exhaustive, but is intended to provide an illustration of the range of bodies interested in law and changes in the law.

Political party manifestos

Party manifestos and pre-election promises are influenced by what politicians believe the publ
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4.2 Formulating rules

Activity 4 should have shown you that the language used for making rules can sometimes make them difficult to understand. Given that we can only comply with a rule if we know what it means, this is a big problem! In this part of the unit we are going to look at the process of making rules in more detail – and you are going to have the opportunity to make a rule that can be understood and which is effective in achieving what it sets out to do.

It is worth restating that rules are made
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3.4 Summary of Part B

After studying Part B you should be able to:

  • describe the relevance of policy for rule making;

  • recognise differing reactions to Ireland's ban on smoking in the workplace;

  • demonstrate/explain the implications of the rules governing Ireland's ban on smoking in the workplace.


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1.4: Price ratios and price indices

Aims The main aim of this section is to look at some different ways of measuring price increases.

In this section you will be looking at measuring price changes using price indices. In order to do this you will need to understand the concept of a price ratio. Price ratios are another way of looking at price increases or decreases, related to the proportional and percentage increases and decreases you have seen before.


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Acknowledgements

Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Licence

Grateful acknowledgement is made to the following sources for permission to reproduce material within this product.

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1.5.3 Mathematical graphs: What could they mean?

The values of the x- and y-coordinates in a graph sometimes relate to measurements of physical quantities: for example, in graphs of height against distance, or temperature against time. Physical quantities always have units associated with them, and these must be shown on the axes’ labels of the graph.

In mathematics, however, values of x- and y-coordinates that have been calculated using a formula may simply be numbers: they may not have units atta
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3.5 Maths in archaeology

In several different parts of the world, footprints from prehistoric human civilisations have been found preserved in either sand or volcanic ash. From these tracks it is possible to measure the foot length and the length of the stride. These measurements can be used to estimate both the height of the person who made the footprint and also whether the person was walking or running by using the following three formulas:

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The Process of Science EnBio
David Cole
By the end of this section, you will be able to: Identify the shared characteristics of the natural sciences Understand the process of scientific inquiry […]

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Lezerskabinet : Open en dynamische community
org_SL_LOGO_LEZERSKABINET_MRT15_RGB.jpg

Het Lezerskabinet is een open community rond het belang van lezen en leesplezier. Uw visie, bekommernissen en ideeën rond leesbevordering willen we graag leren kennen.

Op de website zal binnenkort meer nieuws verschijnen.

dd.april '15, …


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2.3.1 Cylinder

The simplest example of a paper-and-glue construction is to make a rectangle into a cylinder by gluing together two opposite edges. We take a closed rectangle ABB' A' in the plane and identify the opposite edges AB and A'B', as shown in Figure 27. This means that:

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Season 3 – Lesson 08 – Coffee Break Spanish
Coming up in this lesson:

In episode 8, Alba and Mark discuss smoking laws in different countries. Language points covered include the future perfect tense, eg. “I will have stopped smoking”, the use of soler, and the phrase pillar a alguien desprevenido. José’s intermedio covers two phrases which you can use to describe how well you speak Spanish.

Please note that lesson 08 of Season 3 was originally known as lesson 308 of Coffee Break Spanish. We have ren
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Studying mammals: Meat eaters
The powerful and majestic carnivores are the focus of many television documentaries. In this free course, Studying mammals: Meat eaters, we will delve into the lives of these fearsome hunters and explore their physical adaptations and social behaviour. This is the fifth course in the Studying mammals series. First published on Wed, 16 Mar 2016 as
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Clean Energy and Renaissance: a report from the race between revolution and collapse [Audio]
Speaker(s): Jeremy Leggett | Editor's note: We apologise for the poor quality of this recording. A solar revolution is unfolding at a speed that is taking even the solar industry by surprise. But years of blindness to systemic risk threatens fresh global economic disaster. Jeremy Leggett (@JeremyLeggett) is the founder of Solarcentury and SolarAid. At this lecture, Jeremy Leggett will launch an innovative new project. Details to be revealed on the day.
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Darwin Now Awards
Janice Ansine is a recipient of a Darwin Now Award. She is currently working on a variety of projects in Jamaica, looking at contemporary responses to Darwin and Into the historic role of Jamaica in providing material for his research.
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