Topic: LENSES The reflection and refraction we have dealt with so far have focused only on light interacting with flat surfaces. Lenses and curved mirrors are optical instruments designed to focus light in predictable ways. While light striking a curved surface is more complicated than the flat surfaces we have looked at already, the principle
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Coefficients In arithmetic 3 x 4 is a short way of writing 4 + 4 + 4. Similarly, in algebra, 3 x a is short for a + a + a. 3 x a is usually shortened to 3a. Say this a ‘three a’. 3a = 3 x a = a + a + a
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What does it mean to live in peace with others? Living in peace is a way of life in which we respect and love each other in spite of our cultural, religious, and political differences. Inwardly, we all need to search our hearts and minds and understand the fear that causes violence and decide to
Understanding the Relationship between a Writer’s Purpose and Tone Instruction: Read the comprehension passage below [fusion_builder_container hundred_percent=”yes” overflow=”visible”][fusion_builder_row][fusion_builder_column type=”1_1″ background_position=”left top” background_color=”” border_size=”” border_color=”” border_style=”solid” spacing=”yes” background_image=”” background_repeat=”no-repeat” padding=”” margin_top=”0px” margin_bottom=”0px” class=”” id=”” animation_type=”” animation_speed=”0.3″ animation_direction=”left” hide_on_mobile=”no” center_content=”no” min_height=”none”][carefully] after which you should check the next segment to examine the authour’s purpose and tone. Car
Introduction These are the salts of carbonic acid. The anions are represented as: Carbonate ion trioxocarbonate (IV) : CO32- Bicarbonate ion or hydrogen trioxocarbonates: HCO3– These anions are formed from carbonic acid, H2CO3 as follows: H2CO3 <——-> HCO3– + H+ <——–> CO32- + H+ COMPOUNDS CONTAINING TRIOXOCARBONATE (IV) OR HYDROGEN TRIOXOCARBONATE (IV) ANIONS Usually metal ions
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Introduction Population in Nigeria increased from 1990 to 2008 by 57 million, 60% growth rate. Nigeria is the most populous country in Africa and accounts for about 18% of the continent’s total population, however, exactly how populous is a subject of speculation. The United Nations estimates that the population in 2009 was at 154,729,000, distributed
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Introduction Let’s start off with some raw data (not a grouped frequency) . Example: Alex did a survey of how many games each of 20 friends owned, and got this: 9, 15, 11, 12, 3, 5, 10, 20, 14, 6, 8, 8, 12, 12, 18, 15, 6, 9, 18, 11 To find the Mean, add
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Introduction In our environment, we see iron nails, sulphur roll, copper wire, aluminium sheets, etc. we also breathe in oxygen (air) to stay alive. These substances: iron, sulphur, copper and oxygen, are referred to as elements. Elements Elements are substances that cannot be separated into simpler substances. Any substance that contains only one kind of
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Clause: Subordinate and Insubordinate A subordinate clause (or dependent clause) is a clause that cannot stand alone as a complete sentence because it does not express a complete thought. A subordinate clause is a group of words, which include a finite or non-finite verb. The subordinate clause cannot stand independently as it is not complete
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Large Scale Retailing Large scale retail trade has a large scale of operation; the retailers achieve their growth by increasing the physical size of their units to cater for more customers. Examples of large scale retail trade are: Chain or Multiple Store This is a chain of similar shops with identical store design, layout and