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ANSWER:

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Answer:

valency exhibitted by GROUP 2 is 1

Explanation:

as in SECOND group the ATOM have three ELECTRONS so distribution is of 2,1

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Answer:

During a chemical reaction, the substances that react are known as reactants whereas the substances that are formed during a chemical reaction are known as products. Six common types of chemical reactions are discussed below.

Types of Chemical Reactions EXPLANATION General Reaction

Combination reaction Two or more compounds combine to form one compound. A + B → AB

Decomposition reaction The opposite of a combination reaction – a complex molecule breaks down to make simpler ones. AB → A + B

Precipitation reaction Two solutions of soluble salts are mixed resulting in an insoluble solid (PRECIPITATE) forming. A + Soluble salt B → Precipitate + soluble salt C

Neutralization reaction An acid and a base react with each other. Generally, the product of this reaction is a salt and water. Acid + Base → Salt + Water

Combustion reaction Oxygen combines with a compound to form carbon DIOXIDE and water. These reactions are exothermic, meaning they give off heat. A + O2 → H2O + CO2

Displacement reaction One element takes place with ANOTHER element in the compound. A + BC → AC + B

3,525

Different Types of Chemical Reactions

The types of chemical reaction are:

Combination reaction

Decomposition reaction

Displacement reaction

Double Displacement reaction

Precipitation Reaction

1. Combination Reaction

A reaction in which two or more reactants combine to form a SINGLE product is known as a combination reaction.

It takes the form of X + Y → XY

Combination reaction is al

Answer:

Comparison between TWO POINTERS :

...

...

Pointer comparison is VALID only if the two pointers are Pointing to same array. All Relational Operators can be used for comparing pointers of same TYPE. All Equality and Inequality Operators can be used with all Pointer types. Pointers cannot be Divided or Multiplied.

Explanation:

...

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Answer:

AC does not HARM to HEALTH but it is not good for health

EXPLANATION:

because of ac a PERSON does not get sweat and this sweat which does not come cause all the problems of skin.

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Answer:

From the CORE

Explanation:

The core contains HELIUM and many other elements

the basic element FUSE with each other and produce energy

this energy the over HUNDREDS of years leaves the outer layer of the SUN

Answer:

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Examples of synthetic polymers include nylon, polyethylene, polyester, Teflon, and epoxy.

Natural polymers OCCUR in nature and can be extracted. They are often water-based. Examples of naturally occurring polymers are silk, wool, DNA, CELLULOSE and proteins.....

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Answer:

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The Sun is an extremely powerful energy SOURCE, and sunlight is by far the largest source of energy received by Earth, but its INTENSITY at Earth's surface is actually quite LOW. This is essentially because of the enormous radial spreading of RADIATION from the distant Sun.

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Answer:

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Answer:

A mixed fibre is where one type of yarn is mixed with at least one other in fabric production. A common example is the mix of cotton yarns with LYCRA yarns to give extra stretch and comfort to DENIM jeans, fitted SHIRTS and swimwear.

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Answer:

The proper MANAGEMENT of natural resources takes into consideration a long-term perspective so that these natural resources are USED judiciously at present and their EXPLOITATION. This is ESSENTIAL to make their availability for the coming GENERATIONS. Thus a sustainable and planned usage of resources should be done.

Explanation:

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Answer:

A mixed fibre is where one type of YARN is mixed with at LEAST one other in fabric production. A COMMON EXAMPLE is the mix of cotton YARNS with Lycra yarns to give extra stretch and comfort to denim jeans, fitted shirts and swimwear.

Explanation:

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ANSWER:what you ask

Explanation:

ANSWER:

SQUIRREL , SNAKE , BIRD

Answer:

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In polymer CHEMISTRY, polymerization is a process of reacting monomer molecules together in a CHEMICAL reaction to FORM polymer chains or three-dimensional networks. There are many forms of polymerization and different systems exist to CATEGORIZE them.

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The JOURNEY Of Food. Food enters the BODY through the mouth and exits through the anus. In between, it undergoes digestion (from the mouth to the stomach), ABSORPTION (from the stomach to the small intestines), and ELIMINATION (from the large INTESTINE, or colon, to the anus).

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EXPLANATION:

ovary is LOCATED in abdominal cavity in FEMALES

Answer:

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Chlorofluorocarbons (CFCs)

Their other important PROPERTY is their volatility, having boiling points close to zero degrees Centigrade. These physical properties make them ideal for use as REFRIGERANT GASES in AIR conditioners, freezers and refrigerators.

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ANSWER:

• Decomposers-

bacteria

mushroom

tapeworm

• Scavenger-

vulture

jackal

crow

• Parasite-

mosquito

insect

leeches....

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Answer:

SCHWANN, Theodor (1810–82) A GERMAN physiologist who, in collaboration with M. J. Schleiden, proposed the cell theory (and coined the term), according to which all PLANT and animal tissues are composed of cells, and within an individual organism all the cells are identical (see also VIRCHOW, RUDOLF).

Explanation:

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Answer:

Although hydrogen has the HIGHEST calorific value, it is not used as a domestic fuel. It is because hydrogen is a highly combustible and it reacts explosively when it comes in CONTACT with air. And HENCE as a RESULT, storing of the hydrogen gas is difficult and is dangerous at the same TIME.

The three steps that occur during the PROCESS of photosynthesis are:

(i) Absorption of light energy by CHLOROPHYLL.

(ii) Conversion of light energy to chemical energy and splitting of water molecules into hydrogen and oxygen.

(iii) Reduction of CARBON dioxide to carbohydrates.

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Answer:

Pointer Basics

What is a Pointer?

A pointer is a variable that stores a memory address. Pointers are used to store the addresses of other variables or memory items. Pointers are very useful for another type of parameter passing, usually referred to as Pass By Address. Pointers are essential for dynamic memory allocation.

Declaring pointers:

Pointer declarations use the * operator. They follow this format:

typeName * variableName;

INT n; // declaration of a variable n

int * p; // declaration of a pointer, called p

In the example above, p is a pointer, and its type will be specifically be referred to as "pointer to int", because it stores the address of an integer variable. We also can say its type is: int*

The type is important. While pointers are all the same size, as they just store a memory address, we have to know what kind of thing they are pointing TO.

double * dptr; // a pointer to a double

char * c1; // a pointer to a character

float * fptr; // a pointer to a float

Note: Sometimes the notation is confusing, because different TEXTBOOKS place the * differently. The three following declarations are equivalent:

int *p;

int* p;

int * p;

All three of these declare the variable p as a pointer to an int.

Another tricky aspect of notation: Recall that we can declare mulitple variables on one line under the same type, like this:

int x, y, z; // three variables of type int

Since the type of a "pointer-to-int" is (int *), we might ask, does this create three pointers?

int* p, Q, r; // what did we just create?

NO! This is not three pointers. Instead, this is one pointer and two integers. If you want to create mulitple pointers on one declaration, you must repeat the * operator each time:

int * p, * q, * r; // three pointers-to-int

int * p, q, r; // p is a pointer, q and r are ints

Notation: Pointer dereferencing

Once a pointer is declared, you can refer to the thing it points to, known as the target of the pointer, by "dereferencing the pointer". To do this, use the unary * operator:

int * ptr; // ptr is now a pointer-to-int

// Notation:

// ptr refers to the pointer itself

// *ptr the dereferenced pointer -- refers now to the TARGET

Suppose that ptr is the above pointer. Suppose it stores the address 1234. Also suppose that the integer STORED at address 1234 has the value 99.

cout << "The pointer is: " << ptr; // prints the pointer

cout << "The target is: " << *ptr; // prints the target

// Output:

// The pointer is: 1234 // exact printout here may vary

// The target is: 99

Note: the exact printout of an addres may vary based on the system. Some systems print out addresses in hexadecimal notation (base 16).

Note: The notation can be a little confusing.

If you SEE the * in a declaration statement, with a type in front of the *, a pointer is being declared for the first time.

AFTER that, when you see the * on the pointer name, you are dereferencing the pointer to get to the target.

Pointers don't always have valid targets.

A pointer refers to some address in the program's memory space.

A program's memory space is divided up into segements

Each memory segment has a different purpose. Some segments are for data storage, but some segments are for other things, and off limits for data storage

If a pointer is pointing into an "out-of-bounds" memory segment,

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⠀⠀⠀⠀⠀⠀⠀Answer

The OVARY is a ductless reproductive gland in which the female reproductive cells are produced. Females have a pair of ovaries, held by a membrane beside the uterus on each SIDE of the lower ABDOMEN. The ovary is needed in reproduction since it is responsible for PRODUCING the female reproductive cells, or ova

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ANSWER:

In GEOMETRY, the center of curvature of a curve is found at a point that is at a distance from the curve equal to the RADIUS of curvature LYING on the NORMAL vector. It is the point at infinity if the curvature is zero. The osculating circle to the curve is centered at the centre of curvature.

Explanation:

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ANSWER:

changing of solid into liquid by HEAT

changing of liquid into GAS

changing of gas into liquid by COOLING

changing of liquid into solid

changing of gas directly into solid

1. MOUTH
2. OSEOPHAGUS
3. STOMACH
4. SMALL INTESTINE
5. LARGE INTESTINE
6. ANUS

Answer:

1. GO to chrome search SCIENCE class 7th book jagran Josh

2. after being loaded click on PDF button on top right corner

the book is downloaded

go to your downloads

Explanation:

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Sublimation

Sublimation is the process in which a solid directly changes into gaseous state because it's melting point is same as the point it NEEDS to evaporate.

Some Examples

- Conversion of Naphthalene BALLS when PUT in a JAR.

- dry ice, which is FROZEN form of carbon dioxide

ANSWER:

Can U PLEASE me where is the DIAGRAM

Answer:

polymers are materials made of LONG, repeating CHAINS of MOLECULES. ... Proteins are natural polymers made up of AMINO acids, and nucleic acids (DNA and RNA) are polymers of NUCLEOTIDES — complex molecules composed of nitrogen-containing bases, sugars and phosphoric acid, for example.

ANSWER:

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Answer:

1 the SOFT UNDERBELLY HAIR has wool in black sheep

2white FLEECE means white hair of lamb

At room temperature, the molecules of WATER HAB some intermolecular FORCE of attraction and the room temperature cannot provide sufficient heat for these molecules to OVERCOME their force of attraction and therefore REMAIN in liquid state.

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Answer:

She covers 180 m in one minute by swimming from one END to the other and BACK along the same straight path. FIND ...

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Answer:average speed:3m/sAverage velocity:0m/sExplanation:speed=total distance÷total time taken

Explanation:

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ANSWER:

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Answer:

Explanation:

Word Definition

acarology study of mites

accidence grammar BOOK; science of inflections in grammar

aceology therapeutics

acology study of medical remedies

acoustics science of sound

adenology study of glands

aedoeology science of generative organs

aerobiology study of airborne organisms

aerodonetics science or study of gliding

aerodynamics dynamics of gases; science of movement in a flow of air or gas

aerolithology study of AEROLITES; meteorites

aerology study of the atmosphere

aeronautics study of navigation through air or space

aerophilately collecting of air-mail stamps

aerostatics science of air pressure; art of ballooning

agonistics art and theory of prize-fighting

agriology the comparative study of primitive peoples

agrobiology study of plant nutrition; soil yields

agrology study of agricultural soils

agronomics study of productivity of land

agrostology science or study of grasses

alethiology study of truth

algedonics science of pleasure and pain

algology study of algae

anaesthesiology study of anaesthetics

anaglyptics art of carving in bas-relief

anagraphy art of constructing catalogues

anatomy study of the structure of the body

andragogy science of teaching adults

anemology study of winds

angelology study of angels

angiology study of blood flow and lymphatic system

anthropobiology study of human biology

anthropology study of human cultures

aphnology science of wealth

apiology study of bees

arachnology study of spiders

archaeology study of human material remains

archelogy the study of first principles

archology science of the origins of government

arctophily study of teddy bears

areology study of Mars

aretaics the science of virtue

aristology the science or art of dining

arthrology study of joints

astacology the science of crayfish

astheniology study of diseases of weakening and aging

astrogeology study of extraterrestrial geology

astrology study of INFLUENCE of stars on people

astrometeorology study of effect of stars on climate

astronomy study of celestial bodies

astrophysics study of behaviour of INTERSTELLAR matter

astroseismology study of star oscillations

atmology the science of aqueous vapour

audiology study of hearing

autecology study of ecology of one species

autology scientific study of oneself

auxology science of growth

avionics the science of electronic devices for aircraft

axiology the science of the ultimate nature of values

bacteriology study of bacteria

balneology the science of the therapeutic use of baths

barodynamics science of the support and mechanics of bridges

barology study of gravitation

batology the study of brambles

bibliology study of books

bibliotics study of documents to determine authenticity

bioecology study of interaction of life in the environment

biology study of life

biometrics study of biological measurement

bionomics study of organisms interacting in their environments

botany study of plants

bromatology study of food

brontology scientific study of thunder

bryology the study of mosses and liverworts

cacogenics study of racial degeneration

caliology study of bird's nests

calorifics study of heat

cambistry science of INTERNATIONAL exchange

campanology the art of bell ringing

carcinology study of crabs and other crustaceans

cardiology study of the heart

caricology study of sedges

carpology study of fruit

cartography the science of making

Answer:

The common EXAMPLE of a chemical effect in the electric current are electroplating. In these PROCESS, there SUBSISTS the liquid which electric current passes. this is one of the examples of chemical effects in electrical current.

1. TORTOISE................

Answer:

The COMMON thing among the THREE states of matter is - They are made up of small TINY particles. They have a particular mass and can occupy space . This three states have VOLUME in it . The ATOMS of this three states have force of attractions between them.

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WEEDS - the unwanted plants which grows along with crops is KNOWN as weeds.

It should be REMOVE because it TAKES nutrition from soil which should only use by crops but weeds consume it .

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Answer:

Animals you may find living in leaf LITTER include slugs and snails, WORMS, animals with JOINTED legs (like millipedes and CENTIPEDES), spiders and beetles. The type and amount of organisms found varies with time of year.

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ANSWER:

GREEN plants are CALLED producers...

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ANSWER:

hey MATE..

pathogens are the disease causing microorganisms.

the STUDY of pathogens is called pathology.

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The liver secretes bile, a digestive fluid; metabolizes proteins, CARBOHYDRATES, and fats; stores GLYCOGEN, vitamins, and other substances; SYNTHESIZES blood-clotting factors; REMOVES wastes and toxic matter from the blood; regulates blood volume; and DESTROYS old red blood cells.

ANSWER:

The Journey Of FOOD. Food enters the body through the mouth and exits through the anus. In between, it undergoes digestion (from the mouth to the STOMACH), absorption (from the stomach to the small INTESTINES), and elimination (from the LARGE intestine, or colon, to the anus).

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Explanation:

Sublimation : The change of a solid directly into vapour on heating and of vapour into solid on COOLING is known as sublimation. let us DEMONSTRATE the sublimation by TAKING the example of Ammonium chloride. In China dish , TAKE a Small AMOUNT of the Substance.....

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mangooos.

tree kangaroo

monkey

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Answer:

MATTER is anything that occupies a SPACE and volume in this universe....