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Your TONGUE helps out, pushing the food around while you chew with your teeth. When you're ready to swallow, the tongue pushes a tiny BIT of mushed-up food called a bolus (say: BO-luss) TOWARD the BACK of your THROAT and into the opening of your esophagus, the second part of the digestive tract.

Answer:

weed are unwanted PLANTS which grew with main crop

Explanation:

weeds are removed because they absorbed nutrition from the field but weed are not USEFUL they occupied SOIL and stop main crop to ABSORB more nutrition as result of this crop can't grow properly and not ENSURE for good harvest

Answer:

Since you ALREADY KNOW that one Zinc nitrate and the other Zinc carbonate, do the simple carbonate TEST: Add dilute HC to both salts. Zn nitrate will not effervesce (release of gas bubbles); the zinc carbonate will release gas (CO2).

Zn(NO3)2 + HCL => Zn++ NO3 = H+ Cl-(Ions in solutions)

ZnCO3 + 2HCL => ZnNO3 +H2O + CO2

P.S. Don’t WORRY about getting Hydrochloric if you are not in a lab, a little lemon juice or vinegar will do the trick.

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Answer:

healthy FOOD and junk food difference

Explanation:

1)RICH in nutrients viz. protein, CARBOHYDRATE, dietary fibres, fats, vitamins, minerals… ETC                                                                                                       1)Low or no nutrients, but rich in saturated fats, salt, sugars, artificial flavours… etc

2)Prevents consumers from cancer, diabetes, heart DISEASES, and obesity 2)Causes the consumers to have cancer, diabetes, heart diseases, and obesity

3)Not convenient to access and prepare

3)Very convenient to access and mostly prepared and ready to eat

4)Mostly natural

4)Mostly artificial

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⠀⠀⠀⠀⠀⠀⠀Answer

characteristics of matter:-

• particle of matter are very tiny
• they move constantly
• they have SPACES between them
• they ATTRACT each other

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Answer:

Magnetic compass works on the principle of magnetic EFFECT of electric current. a compass is a device used to store magnetic field DIRECTION at a point. it is also KNOWN as plotting compass. it consists of a tiny pirated magnet USUALLY in the form of pointed which can done freely in horizontal plane.

Explanation:

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PLANTS Takes food from Sun rays as well as from water who's present in Underground areas. it's called Photosynthesis.

And food TRANSFERS from the roots of plants to all the parts of plants.

and Leaves of plants are captures the SUNRAYS and transfers to all the body parts of them

ANSWER:

HEATHY FOOD have more NUTRIENTS than that of JUNK food

ANSWER:

The ELEMENT X is Silver(Ag)

The black depositing is Silver oxide(Ag2O)

Silver reacts with OXYGEN and moisture in air to FORM a black oxide called silver oxide.

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Explanation:

Answer:

broadcasting-the transmission of programs or INFORMATION by radio or TELEVISION.

and

pisculture- the rearing of fish Is KNOWN as PISCICULTURE

Answer:

Explanation:

1) One million Earths could fit inside the sun – and the sun is considered an average-size star.

2) For years it was believed that Earth was the only planet in our solar system with liquid water. More recently, NASA revealed its strongest evidence YET that there is intermittent RUNNING water on Mars, too!

3) Comets are leftovers from the creation of our solar system about 4.5 billion years AGO – they consist of sand, ice and CARBON dioxide.

4) You wouldn’t be able to walk on Jupiter, Saturn, Uranus or Neptune because they have no solid surface!

5) If you could fly a plane to Pluto, the trip WOULD take more than 800 years!

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Answer:

: The chromosomes present in the nucleus of a cell contain information for inheritance of features from parents to NEXT GENERATION in the FORM of DNA molecule. The DNA is the information source for making proteins. THUS, blueprints of the BODY design are stored in the DNA.

Explanation:

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Answer:

Gastric juice in the stomach STARTS protein digestion. Gastric juice mainly contains hydrochloric acid and PEPSIN. In infants and toddlers gastric juice ALSO contains rennin.

Explanation:

THQ

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ANSWER:

1. manuring
2. crop rotation
3. strip cropping
4. afforestation
5. step FARMING
6. wind break
7. construction of dam
8. check overgrazing
9. contour ploughing
10. Terrace farming

Answer:

healthy food supports the BODY fully to PERFORM LIFE processes as it contains healthy neutrients and vitamins

junk food is injurious to health and defunction the cells

Nanotechnology in Modern Science

• Nanotechnology MAINLY deals with the objects that are of size less than 100 nanometres.

• In addition it also studies about atoms and molecules.

• Nanotechnology in Modern Science mainly deals with the small sized or nano sized objects,and thats why it's CALLED Nanotechnology

• It is used in sensors to detect very small amount of chemical vapours or chemicals

• Nanoparticles are used in the MANUFACTURING of glasses, ceramic coatings and SUNSCREEN etc....

• Nanotechnology is also udden too cure diseases and this is called Nanomedicine

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Answer:

1. Hold a THIN GLASS tube with a pair of TONGS and introduce one end of this glass tube in innermost ZONE of candle flame.

2. Now bring a LIGHTED matchstick near the other end of the glass tube.

Explanation:

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Answer:

An atom is composed of a positively-charged NUCLEUS, with a CLOUD of negatively-charged electrons surrounding it, bound together by electrostatic force. Protons and neutrons are bound together to FORM a nucleus by the nuclear force.

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ANSWER:

Soil Erosion

Wind. When strong winds blow, the topsoil along with the organic MATTER is carried away by the wind. ...

Water. When it rains in the HILLY areas, the soil gets washed away towards the plains. ...

Overgrazing. ...

DEFORESTATION. ...

Afforestation. ...

CROP Rotation. ...

Terrace Farming. ...

Building Dams.

ANSWER:

by the METHOD of SEPARATION.....

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Answer:

jute is GROWN mainly in west bengal. COTTON and wool are widely used materials in making SOCKS,

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Answer:

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GENERAL KNOWLEDGE

SCIENCE

Why do PARTICLES of matter constantly move?

Matter is that occupies space and has weight. EVERYTHING around us is MADE up of particles. The particles which make up matter are so SMALL that we cannot see them with a high power microscope. One of the characteristic of particle is that it constantly moves. Let us prove it through this article.

Why do particles of matter constantly move?

Everything around us is made up of tiny pieces or particles. The particles which make up matter are atoms or molecules. Our body, CHAIR, table, book etc. all are made up of particles.

The evidence of the existence of particles in matter and their motion comes from the experiments on diffusion i.e. mixing of different substances on their own and Brownian motion. The zig-zag movement of the small particles suspended in a liquid or gas is called Brownian motion.

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EXPLANATION:

Bland foods that may HELP with diarrhea include:

hot cereals, such as oatmeal, cream of wheat, or rice porridge.

bananas.

applesauce.

plain WHITE rice.

bread or toast.

boiled potatoes.

unseasoned CRACKERS.

The following precautions should be taken while sowing seeds: (i) Seeds should be grown at proper depth. (ii) They should be SOWN at a proper distance apart from each other. (III) Seed used for sowing should be clean, healthy and FREE from any DISEASE or infection.

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Answer:

ACCORDINGLY Einstein is the BEST PERSON who deliver great THEORIES of science

It is only GOOD for CROPS LIKE PADDY.

Answer:

All containers that contain OILS are prone to rancidity under which the fats get oxidised and PRODUCE bad SMELLS. Nitrogen is a gas which PREVENTS rancidity to OCCUR. Hence even all the chips packets are half filled which nitrogen gas.

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Explanation:

Answer:

Electricity can only be CONDUCTED by the motion of ELECTRONS or ions. Non-metals do not CONDUCT electricity because unlike metals, they have no FREE electrons.

Explanation:

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ong>Answer:

Distillation, process involving the conversion of a LIQUID into vapour that is subsequently condensed BACK to liquid FORM. ... It is exemplified at its simplest when steam from a kettle BECOMES deposited as DROPS of distilled water on a cold surface.

ong>Explanation:

I think the RATIO might be EQUAL to or LESS than 1.

Answer:

20 Ways to conserve nuclear energy:-

1-Switch to a green ELECTRICITY tariff – don’t buy nuclear electricity

2-Give up INCANDESCENT LIGHT bulbs

3-Save energy around the house

4-Use Energy saving electrical goods

5-Use a solar CLOTHES dryer

6-Put more insulation in your loft

7-Insulate Cavity Walls

8-Install a gas condensing boiler

9-Install a Micro-CHP boiler

10-Install a small-scale WIND turbine

11-Install a solar water heating system

12-Install a combined boiler and solar hot water system

13-Install solar photovoltaics

14-Install a ground-source heat pump

15-Install an Air Source Heat Pump

16-Install a Micro-hydro system

17-Install Biomass Heating

18-Get informed about Microgeneration

19-Respond to Government Consultations

20-Respond to Industry Consultations

Explanation:

It's QUITE EASY....

C2H5OH

Answer:

Crotalaria is a genus of flowering plants in the legume family Fabaceae (subfamily Faboideae) commonly known as rattlepods.[3] The genus includes about 500 species of herbaceous plants and shrubs. Africa is the continent with the majority of Crotalaria species (approximately 400 species), which are mainly FOUND in damp grassland, especially in FLOODPLAINS, depressions and along edges of swamps and rivers, but ALSO in DECIDUOUS bush land, roadsides and fields. Some species of Crotalaria are GROWN as ornamentals. The common name rattlepod or rattlebox is derived from the fact that the seeds become loose in the pod as they mature, and rattle when the pod is shaken. The name derives from the Ancient Greek κρόταλον, meaning "castanet", and is the same root as the name for the rattlesnakes (Crotalus).

ANSWER:

EXPLANATION:YES

All Alkali's are SOLUBLE in water but all BASES are not soluble in water so All alkali are bases but all bases are not alkali.

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ANSWER:

organic matter MAY be acidic and will NEUTRALIZE the basicness hence making the soil suitable for AGRICULTURE

Answer:

The following are 5 advantages of harvesting rainwater.

• Reduces Flooding and Erosion.
• Harvesting rainwater can help the environment in a number of ways.
• Reduces Water BILLS.
• Reduces Demand on GROUND Water. ...
• Can Be Used for Non-drinking Purposes. ...
• Can Improve Plant Growth.

Disadvantages of Rain :-

• Power blackouts are common features in HIGH rainfall seasons.
• Lightning USUALLY cause power blackouts. ...
• Flooding streets, shops, houses and sewerage systems is ALSO a problem. ...
• Transport problems causes by heavy rainfall. ...
• Flooding of farms destroying the crops in their wake.

Answer:

The correct answer is Deep REACTIVE Ion Etching. The 'Bosch Process' is used for the Deep RIE etching profiles.

Explanation:

The Bosch process mainly works in two modes:

1. Isotropic PLASMA etch( which is standard).

2. Deposition of a passivation layer( which is basically inert)- prevents further etching.

The Deep Reactive Ion Etching was mainly DEVELOPED for FACILITATING Microelectromehanical systems or MEMS.

Answer:

CAPITALISM is a economic SYSTEM based on the private of the means of production and their OPERATION for PROFIT.

ALCOHOL GROUP is PRESENT in above FORMULA

A is CALCIUM CARBONATE
B is not specifed I didn't UNDERSTAND this PART

an epithelium MADE up of a single layer of FLAT CELLS.

structure and size of cell depebds on the FUNCTION it does .

EG : NEURON it is a fibre like structured cell

red blood CELLS are OBLONG structures

ANSWER:

NITROGEN and OXYGEN is the from AIR

ANSWER:

CARBOXYL is the answer

Answer:

water GETS DISTRIBUTED in each part of the body through the BLOOD circulation

Answer:

The AMSWER is only s2 because the impedance does not VARY with FREQUENCY

The IMPURITIES MIGHT CAUSE DANGER