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Ruchi Rao 5 years, 6 months ago
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Yogita Ingle 5 years, 6 months ago
Binomial Nomenclature “Binomial nomenclature is the biological system of naming the organisms in which the name is composed of two terms, where, the first term indicates the genus and the second term indicates the species of the organism.”
Posted by Ruby Shukla 5 years, 6 months ago
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Yogita Ingle 5 years, 6 months ago
The crusades were military campaign sanctioned by the Catholic Church in the middle ages.The crusades are generally portrayed as a series of holy wars against Islam led by power -mad popes and fought by religious fanatics.A breed of proto - imperialist,the crusaders introduced western aggression to the peaceful middle east and then deformed the enlightened Muslim culture leaving its ruins. Pope Urban second proclaimed the first crusade in 1091 with the goal of restoring Christians access to their holy land after struggling for 200 years.
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Meghna Thapar 5 years, 6 months ago
Astronomers estimate the distance of nearby objects in space by using a method called stellar parallax, or trigonometric parallax. Simply put, they measure a star's apparent movement against the background of more distant stars as Earth revolves around the sun. To measure large distances, such as the distance of a planet or a star from Earth, astronomers use the principle of parallax. Here, the term parallax is the semi-angle of inclination between two sight-lines to the star, as observed when Earth is on opposite sides of the Sun in its orbit.
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Aseem Mahajan 5 years, 6 months ago
$$\dfrac{sinA}{a}=\dfrac{sinB}{b} = \dfrac{sinC}{c}$$
Meghna Thapar 5 years, 6 months ago
The Law of Sines is the relationship between the sides and angles of non-right (oblique) triangles . Simply, it states that the ratio of the length of a side of a triangle to the sine of the angle opposite that side is the same for all sides and angles in a given triangle.
<div class="mod" data-md="61" style="clear:none"> <div aria-level="3" class="LGOjhe" data-attrid="wa:/description" data-hveid="CBIQBQ" role="heading">The law of sines can be used to compute the remaining sides of a triangle when two angles and a side are known—a technique known as triangulation. It can also be used when two sides and one of the non-enclosed angles are known.</div> </div> <div class="g"> <div class="rc" data-hveid="CAUQAA" data-ved="2ahUKEwjP__Lby4jsAhXwxzgGHbqEB6QQFSgAMAR6BAgFEAA"> <div class="r"> </div> </div> </div>Posted by Aahish Kumar 5 years, 6 months ago
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</a>Posted by Aadya Singh 5 years, 6 months ago
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Aseem Mahajan 5 years, 6 months ago
$$\left|\hat{\imath} \;\;\;\;\;\;\; \hat{\jmath}\;\;\;\;\;\;\; \hat{k} \\ 1 \; \;\;\;\;\;\; 1\;\;\;\;\;\;\; -1 \\ 2 \;\;\;\;\;\;\; -1 \; \;\;\;\;\;\; 4 \right|$$
Solving for matrix , magnitude of cross product:
$$\hat{imath}(1 × 4 - (-1) × (-1)) - \hat{jmath}(1×4 - (-1) × 2) + \hat{k}(1 × -1 - (1 × 2)) \\ = 3\hat{\imath} - 6\hat{\jmath} - 3\hat{k}$$
Posted by Vanshika Luhera 5 years, 6 months ago
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Meghna Thapar 5 years, 6 months ago
Red, green, and brown algae have different types of pigments which give them their color. (Brown algae gets its color from the xanthophylls pigment fucoxanthin, red algae get their color from phycoerythrin, green is from chlorophyll.) These pigments have a certain chemical structure that allows them to absorb light. Phaeophyta (brown algae) A division of algae which includes no single-celled species; almost all are marine, growing mostly in the intertidal regions (but species of Bodenella and Heribaudiella occur in fresh water). They are the dominant seaweeds in the colder waters of the northern hemisphere.
Posted by Rima Jamatia 5 years, 6 months ago
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Gaurav Seth 5 years, 3 months ago
The Enlightenment
• During the late 17th and 18th centuries, Western Europe saw the emergence of radically new ways of thinking about the world. Referred to as The Enlightenment', these new policies established the human being at the centre of the universe, and rational thought as the central features of the human being.
• This means that the Enlightenment was made possible by, and in turn helped to develop, attitudes of mind that we refer today as secular, scientific and humanistic
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Sarita Yadav 5 years, 6 months ago
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Ruchi Rao 5 years, 6 months ago
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Pankaj Suraliya 5 years, 6 months ago
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Meghna Thapar 5 years, 6 months ago
A knot, knob, protuberance or swelling. (astronomy) The point where the orbit of a planet, as viewed from the Sun, intersects the ecliptic. Any system or device connected to a network is also called a node. For example, if a network connects a file server, five computers, and two printers, there are eight nodes on the network. Each device on the network has a network address, such as a MAC address, which uniquely identifies each device.
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Posted by Mohit Kumar Sahu 5 years, 6 months ago
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Yogita Ingle 5 years, 6 months ago
Asexual reproduction in fungi:
- fission of somatic cell
- Budding of somatic cell
- Fragmentation or disjoining of hyphae
- Asexual spore formation
Posted by Charan E J 5 years, 6 months ago
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Yogita Ingle 5 years, 6 months ago
An oxidation number can be assigned to a given element or compound by following the following rules.
- Any free element has an oxidation number equal to zero.
- For monoatomic ions, the oxidation number always has the same value as the net charge corresponding to the ion.
- The hydrogen atom (H) exhibits an oxidation state of +1. However, when bonded with an element with less electronegativity than it, it exhibits an oxidation number of -1.
- Oxygen has an oxidation of -2 in most of its compounds. However, in the case of peroxides, the oxidation number corresponding to oxygen is -1.
- All alkali metals (group 1 elements) have an oxidation state of +1 in their compounds.
- All alkaline earth metals (group 2 elements) exhibit an oxidation state of +2 in their compounds.
- In the compounds made up of two elements, a halogen (group 17 elements) have an oxidation number of -1 assigned to them.
- In the case of neutral compounds, the sum of all the oxidation numbers of the constituent atoms totals to zero.
- When polyatomic ions are considered, the sum of all the oxidation numbers of the atoms that constitute them equals the net charge of the polyatomic ion.
Thus, the oxidation number of an atom in a given compound can be calculated with the steps mentioned above.
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Ruchi Rao 5 years, 6 months ago
1Thank You