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....Minerals.... and.... humus.... are the ORGANIC CONSTITUENTS of soil.

These minerals includes Magnesium, phosphorus, etc.

Humus are actually the DEAD and decaying organic matter present in soil.

These humus are formed from the decayed PLANTS and animals.

These TWO components are very responsible for the growth of plants.

A) WASHING machine
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1)Algae-factors of PLANT origin
2)SOIL erosion -wind
3)SOCIAL forestry-factor of ANIMAL origin

1)Force EXERTED is MAXIMUM when,the CURRENT carrying conductor is HELD perpendicular to the direction of the magnetic field.

2)Force exerted is minimum when,the current carrying conductor is held PARALLEL to the direction of the magnetic field

Blood is bright red when it COMES from the lungs.

Blood leaving HEART and moving to lungs through PULMONARY VEIN, get oxygenated in lungs.

Hence, the haemoglobin present in blood which is a OXYGEN carrier get full and hence start giving freshness.

This total oxygenation of haemoglobin is responsible for bright red color blood.

Now ASSUME that you throw a ball upwards then its PATH will be a parabola and U can see a rest position of a parabola at its TOP so ANSWER is

0


so v=0 for upward thrown object at highest point

Vegetable ROOT crops LIKE CARROTS, parsnips and potatoes favor sandy soils. Lettuce, strawberries, peppers, corn,SQUASH, zucchini, collard greens and tomatoes are grown commercially in sandysoils..and many other vegetables are grow in sandy soil..

In a BURNING candle, there are both physical and chemical changes. The melting of the solid wax to FORM LIQUID wax and the evaporation of liquid wax to form wax vapour are physical changes. ... The wax vapour reacts with OXYGEN in the air to form new substances including carbon dioxide and ASH.

The blades of the FAN are not perfectly plane. They are bent in a specific direction. They are ALSO configured to rotate in a specific WAY(clockwise or anticlockwise). Both of these factors contribute to the fact that a fan always GIVES windflow in a specific direction(the direction to which the fan is pointed at).

If any one of the two factors are reversed, the direction of airflow will get reversed. Reversal of both of these factors will not change the direction of airflow. That is, if you change the configuration of the blade-curve, or change the polarity of the current in the fan CIRCUIT,(thus changing the direction of rotation), the fan will give airflow in the opposite direction of which it was meant to do so

hi

REASONS

Due to industrialization, the waste chemicals from the

factories in the form of gaseous, liquid and solid state are given out

into atmosphere, WATER and soil. When the collection of such

chemical substances at any place INCREASES BEYOND a certain level,

the harmful effects can be seen. This is called pollution.

The fuel BURNT in the large number of factories

causes a continuous rise in the proportion of atmospheric

carbon DIOXIDE. Hence, today the percentage of carbon dioxide

has increased to 0.035%.

The main cause of global warming is carbon dioxide.

Because of carbon dioxide, heat, instead of being given out, is

trapped in the atmosphere and the atmospheric temperature

rises.

due to many reasons carbon dioxide is increasing and continues

if we wont take preventive measures

so try to stop pollution

and save earth

Hi Here's your ANSWER

Coals are of 4 types:----------

Anthracite:- Its best quality of coal which contains 96% of carbon in it. It is used for heating, FUEL for engines and furnaces.

Bituminous:- It has 65% of carbon in it. It is also called BLACK IGNITE. it is used for manufacturing FUELS such as coke and coal tar.

Lignite:- It has about 38% of coal in it. It is used for power generation and industrial fuel.

Peat:- It has lowest percentage of carobon in it. It is also used as an industrial fuel.

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The first ACT in taxonomy is (1) NAMING (2) description (3) Classification (4) identification.

a MEDIUM in which BIOLOGICAL is mounted for preservation or DISPLAY is CALLED mounting

hope it was useful.......

(a)carbon
1.carbon is also known as DIAMOND
its not also known as carbon but its molecular FORM are similar to carbon so it is called a sub carbon molecular division
2.so it is used as an ornament, cutting metals.
(b)carbon dioxide
1.large amount of carbon or SOIL carbon dioxide is called DRY ice
2.used to putting out fire
(c)methane
1.used as a fertilzers
2.used as nartual gas

In acid, CHINA rose changes into PINK COLOUR and green colour in base. China rose TURNS magenta in acidic solutions. And green in basic solutions.

Carbon DIOXIDE is used for putting out fire Because
it doesnt burns nor SUPPORTS burning
thats why it is used in fire EXTINGUISHERS

Charcoal is used as a domestic fuel for COOKING and HEATING in many developing COUNTRIES. It is the most popular barbecuefuel throughout the world. ... Charcoal is used as a domestic fuel for cooking and heating in many developing countries.

Fats are broken down into smaller fatty acids and cholesterols, Proteins into amino acids and carbohydrates into DISACCHARIDES an then finally into glucose.
ABSORPTION of proteins are done by SIMPLE DIFFUSION but the absorption of fatty acids are complicated. Fatty acids are first converted into lipid globules by bile salts and the taken up by special lipid transporters.

Hydrogen GAS is RELEASED when metals REACTS with ACIDS.

The Spinter muscle guarding the OPENING between Oesophagus and STOMACH doesnot allow the food to MOVE in opposite direction. Even is we stand upside down, the muscle guards the opening. Rest assure the acis only produced at the time of food intake in large quantity but very little or no acid is prodeced when the stomach is empty.

Bronze CONTAINS the METAL COPPER and ZINC.
hope it helps........

According to biological sciences terms..
All animal kingdom of lions may suffer.
beacuse if all grass has dried up, no food for DEERS.
so without that they can't SURVIVE . so deers die slowly.
so if lions depand on deers, lions may ALSO die.
and kingdom of lions may vanish.

This is because WHEELS PROVIDE grip on the the surface over which it it is MOVING. This DECREASES friction and ALLOWS the cart to move easily. Moreover it saves energy and labour to a great extent

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A-5
b-3
c-4
d-2
e-1
these are the CORRECT MATCH of the above QUESTION

Time travelling is seeing through our past or seeing the past even before we are born or even we could go into our FUTURE which is difficult with today's technology . TILL now there is nothing as such as time TRAVEL but it might COME in future .......

I GUESS M2O3 is the ANSWER

1) keep your poultry HOME clean
2)change the litter
3)if you bring a new BIRD in your farm than do not add them immediately with farm birds
4)use quality FEED

Some plant leaves just can't get wet or dirty! Lotus plants have superhydrophobic SURFACES. Waterdrops that fall onto them bead up and roll off. These leaves not only STAY dry, but the droplets pick up small PARTICLES of dirt as they roll, so that the lotus leaves are even self-cleaning.

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They are grouped into various groups like Bacteria, FUNGI, algae, protozoaand viruses. MANY of these organisms are useful to human and nature while some are harmful and even cause diseases. Harmful EFFECTS of microorganisms: Bacteria: Causes various diseases such as typhoid, DIARRHEA, and cholera.

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Antibodies are Special chemicals and PROTEINS produced by the human body in ORDER to fight the DISEASE CAUSING bacteria.
Example of antibiotics: penicillins, rifamycins etc

The unit used to MEASURE is GRAMS per MOLE.

Molar mass = GRAM / mole

1)Legumes are protein-rich and they also increase the amount of NITROGEN available to plants through BIOLOGICAL nitrogen fixation.


2)Legumes are SEEN to be generally BENEFICIAL to the environment.


3)The rewards for diversifying cropping SYSTEMS through the inclusion of legumes is both environmental and economic.

Our eye lens is made up of PROTEIN that can change its shape with the help of cilliary muscles. This HELPS the eye lens to change its aperture an focal LENGTH and to produce sharp image weather the OBJECT is closer or farther away fron the eye.

Sedimentation is the process in which particles separate from a liquid because of gravity.The rate of sedimentation is increased by adding ____ to the water.

The correct OPTION is C) alum.

Alum is ADDED to PURIFY water as ALUMINIUM Sulphate.

It is a coagulant.

When Alum is added to the muddy water, the mud particles ACCUMULATE to settle down.

Because carbon dioxide molecules are heavier than oxygen molecules...
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A fibrous substance consisting of polysaccharides, which is the major constituent in the exoskeleton of arthropods and the cell walls of fungi.
FUNCTION:
Chitin, like cellulose and keratin, is a structural POLYMER. Made from smaller MONOMERS, or monosaccharides, structural polymers form strong fibers. When secreted inside or outside of cells in an organized way, the fibers form weak BONDS between each other.

☆chemical change is reversible whilw physical is unreversible
☆chemical change can exothermic and endothermic
☆ in chemical change new SUBSTANCE are FORMED..physical no new substance are formed..

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Hey
Weeds are unwanted plants which grow DUE to transportation of seeds of wild plants by ANIMALS or wind or WATER.
They are a threat to crops as they TAKE in all nutrients in SOIL.
They can be removed by spraying weedicides.
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