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Answer:-. The elements with valency FOUR are KNOWN AA TETRAVALENT elements.


ex:- Carbon

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Sexual MOTIVATION is influenced byhormones such as testosterone,estrogen, progesterone, OXYTOCIN, and vasopressin. In most mammalian SPECIES, sex hormones control the ability to engage in sexual behaviors. However, sex hormones do not directly regulate the ability to copulate in PRIMATES (including humans).

Asexual reproduction - is a type of reproduction by which offspring arise from a single organism, and inherit the GENES of that PARENT only; it does not involve the fusion of gametes, and almost never changes the number of chromosomes.
Bisexual Reproduction - possessing CHARACTERS of both SEXES and especially both male and female reproductive structures : hermaphroditic. b : of, relating to, or characterized by a tendency to be sexually atttracted toward individuals of both sexes : engaging in sexual ACTIVITY with partners of either sex.

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When an iron nail dipped in the copper sulphate SOLUTION ina beaker for some time then

➡The beaker with solution blue colour turns to green colourand the iron nail which is COATED with SILVER turns into brown.

➡This is due to the reactivity of iron.since iron is more REACTIVE than copper.

➡Fe+CuSO4----------->FeSO4+Cu.

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This are the ANSWERS for you QUESTIONS

ANSWER....

Various function of brain are :-


1. it performs FUNCTIONS like swallowing, coughing, yawning, etc.

2. it helps us in LEARNING, thinking, remembering, conciousness, etc.

3. it is called site of intelligence.

4. GLAND present in brain called PITUITARY gland control the function of all glands.

5. it maintain posture and balance of body.

6. it REGULATES activity like breathing.

Do not THROWING garbage in water sources.
Stop to doing animal WASHING in water sources.
Make RAIN water in use by using RAINWATER harvesting technique

The other pendulum will also have the same maximum velocity.  

The maximum velocity achieved by a pendulum is independent of the PHASE DIFFERENCE between TWO pendulums. It is mentioned that the two pendulums under observation are of the same type and even have the same amplitude. As a result, it can be concluded that they should both SHARE the same numerical value for maximum velocity.

you can MAKE about FUTURE WORLD

The PROCESS of depositing a THIN layer of zinc metal on iron objects is CALLED galvanisation.

(E)-2-Chloropent-2-ene | C5H9Cl | CID 5463223 - STRUCTURE, CHEMICAL names, PHYSICAL ... Molecular Formula: C5H9Cl.

In meosis we will see that no. of chromosomal dna get halfed

So, in sexual reproduction ONE PAIR is from mother and one from father

If meosis not happen

No. of chromosome father give= 46

No.of chromosome mother

Give = 46

So, child GETS 92 chromosome

Which is not POSSIBLE

So by meosis

No. of chromosome father give =46/2=23

No. ofchromosome mother give =46/2=23

So child get 46 chromosome

The SOLVAY PROCESS manufactures three different products - light sodium CARBONATE (light ash), GRANULAR sodium carbonate (heavy ash) and REFINED sodium hydrogen carbonate

The forest acts as a roadblock for many natural disasters. It prevents floods, duststorms and more. If it were REPLACED by asphalt the area would be prone to floods as there would be no TREES to hold the soil together and thereby LETTING the soil be washed away by runoff and asphalt isn't really the BEST at absorbing water. Also, since the trees are removed, strong winds can remove erode the soil and thus cause dust storms. The REMOVAL of the forest also steals the natural habitat of all the animals in that forest.

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Famine is DEFINED as the scarcity of food due to the FAILURE of CROPS because of the certain climatic CONDITIONS.

The SILVER is the metal which is used to make silver foil on the sweets ..,silver is EDIBLE , ALONG with it there are some more edible add to make the foil. .
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Hlo here is ur answer .



after this pics u write this one



SPECIFIC RESISTANCE OR RESISTIVITY :


* resistivity is define as the resistance of a counductor whose length and area of the cross section is 1 UNIT .



UNITS : OHM meter

NOTE : The reciprocal of the resistivity is called conductivity .


UNITS : mhos × m-1 .



ELECTRIC CIRCUIT : A closed path created by the connecting WIRES through a BATTERY along which electrons can flow is called a circuit .


* Electric circuit is simple arrangement of electric conductor connecting with simple battery .



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Hlo friend here is ur answer .

DIWALI is a festival of lights and joy .Its a festival which is meant to be celebrated with full ENTHUSIASM. Burning firecrackers is not showing joy or happiness , its just harming the environment . In ancient time , diwali was celebrated by LIGHTING candles and diyas but as time passed , things ecolved ,the place of candels and diyas was taken up by simple crackers , and now massive ones. card board is requirec for making fire crackers and this means that thousands of tress are cut down for such useless purpose . A lot of people lose their lives . People with breathing problems suffer a lot during diwali DUE to the pollution created by the crackers . When we buy costly crackers , and burn them we feel very pleased, but think how much money we just burnt into ashes. I just hope people understand that diwali is much better when celebrated without crackers and the next diwali the use of crackers would be less.


LETS ALL TAKE A PLEDGE TO CELEBRATE A GREEN DIWALI NEXT YEAR.

LETS ALL LIGHT DIYAS AND NOT FIRE CRACKERS .


HOPE THIS WILL HELP U .

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The thickness of the WIRE is DIRECTLY proportional with the electric RESISTANCE.

By comparing 2 same circuits with wire thickness as the only different, the VOLTAGE or the POTENTIAL difference will remain the same and only the current will be changed reversely to the resistance.

It HELPS in fnding CRACKS in the WALLS

They have malleability..

They are LUSTROUS and so they are USED for making JEWELLERY..

Hope it helps

Because these r non BIODEGRADABLE and CAUSES MANY SHORT term and LONG term damage to environment

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here is your ANSWER


your QUESTION---

what is the nature of the IMAGE formed on the retina???

Answer---

The image formed on the retina is real, INVERTED and same size.



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Washing soda or Na₂CO₃ have some specific PHYSICAL and chemical attributes which promotes the powder form of it RATHER than crystal or liquid form while transporting it or selling it.

1) As washing soda is highly hygroscopic, it's aqueous solution is easy to make, thus selling it as powder form takes comparatively less SPACE than aqueous form.

2) The crystals are MADE powder because powder is more homogeneous and can be QUANTIFY easily than crystals.

Cloud droplets can grow and PRODUCE precipitation (including rain, snow, sleet, freezing rain, and hail), which is the primary mechanism for transporting water from the ATMOSPHERE back to the Earth's surface. When precipitation FALLS over the land surface, it FOLLOWS various ROUTES in its subsequent paths.

Vegetative reproduction is any form of asexual reproduction OCCURRING in plants in which a new plant grows from a fragment of the parent plant or grows from a specialized REPRODUCTIVE STRUCTURE. Plant PROPAGATION is the process of plant reproduction of a species or cultivar, and it can be SEXUAL or asex

The set of OBSERVABLE characteristics of an individual resulting from the INTERACTION of its genotype with the ENVIRONMENT.

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it is RELAXATION of both AURICLES and both ventricles for about. 4 seconds it is ALSO called general pause.


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The contraction, or PERIOD of contraction, of the heart, ESPECIALLY of the VENTRICLES, during which blood is FORCED into the aorta and pulmonary artery. atrial systole. contraction of the atria by which blood is forced into theventricles; it precedes the true orventricular systole. extra systole. see extrasystole.

The parental GENERATION (P) is the first set of parents crossed. The F1 (first FILIAL) generation CONSISTS of all the offspring from the parents. The F2(second filial) generation consists of the offspring from allowing the F1individuals to INTERBREED

A renal portal system is a portal VENOUS system found in all living vertebrates except for hagfish, lampreys, and mammals. Its function is to move blood from the renal glomeruli to the peritubular PLEXUS that surround the PROXIMAL and DISTAL CONVOLUTED tubules.

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Malpigian BODY is CONSIST of

1. Glomerulus

2.Bowmen's capsule


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Cardiac muscle tissue works to keep your heart PUMPING through involuntary MOVEMENTS. This is ONE feature that differentiates it fromskeletal muscle tissue, which you can CONTROL. It does this through specialized cells called pacemakercells. These control the contractions of your heart.

Transparency

/tranˈspar(ə)nsi,trɑːnˈspar(ə)nsi,tranˈspɛːr(ə)nsi,trɑːnˈspɛːr(ə)nsi/

noun

1.

the CONDITION of being transparent.

"the transparency of ice"

synonyms:translucency, lucidity, pellucidity, limpidness, limpidity, GLASSINESS, LIQUIDITY, clearness, clarity; More

2.

a POSITIVE transparent photograph printed on transparent PLASTIC or glass, able to be viewed using a slide projector.

The MAGNETIC COILS are USED to energise by taking appropriate MOVEMENTS of the upper and lower contact.

In fact, this will disconnect the reaction and it is electrically operated by means of solenoid and it is used as starting system and movement of the upper contracts.

This is system for components and battery ignition SYSTEMS

As most PEOPLE are well aware, the IMMEDIATE impacts of FLOODING include loss of human LIFE, damage to property, DESTRUCTION of crops, .

In the process of REFINING of metals the impure metal EXTRACTED from its ore is MADE anode, the SALT of the metal is made ELECTROLYTE.

I THINK that these are not the EXAMPLE of FIRST CLASS LEVER

Description:

IUPAC NamesRulesMore branched carbon gets LOWEST number (C2 instead of C7). No FUNCTIONAL groups, thus alkane.5 − oxohexanoic acidPrefix: −C = O called 'oxo' at C5. # of C: 6 (hexan) Suffix: −COOH thus 'oic a

Human beings formed society to ensure MAXIMUM chances of survival. That was during the primitive phase.

We have evolved a long way since the ice age and YET society remains a crucial yet complicated part of our lives. If we focus on the residential area in which we live, we see a society within a society.

How we interact with each member of the society determines our social health. The main problem in my area with RESPECT to social health is the exclusion of each other.

People do not COMMUNICATE with everyone with an open mind and RUMORS are quick to spread.

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Alloy is a homogeneous mixture of a metal and a non metal.

For EXAMPLE, Brass, BRONZE ETC.




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Because it's COLD temperature keep FOOD STAY longer

And in summer season we need cold water and cold. Drinks it keep them cold

Brassica oleracea is the scientific name of 'wild CABBAGE'. By artificial selection many other species like Brussels SPROUT, Kohlrabi, Kale, BROCCOLI, Cabbage, Cauliflower have been produced FORM this.

As per your question

1) In case of cabbage the selected feature is 'terminal buds'.

2) In case of cauliflower the selected feature is 'flower CLUSTERS'.  

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