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The epiglottis is normally pointed upward during BREATHING with its underside functioning as part of the pharynx. During SWALLOWING, elevation of the hyoid bone draws the larynx upward; as a result, the epiglottis folds down to a more HORIZONTAL position, with its SUPERIOR SIDE functioning as part of the pharynx.

Soil is a thin LAYER of material covering the EARTH's surface. Soil has all the PROPERTIES to sustain life. It has water available for plants and ANIMALS and air SPACES for them to breathe.

There are 7elements in our BODY

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The formula for RUSTING of IRON is
Fe2O3.xH2O

it may be in form of FeO(OH) or Fe(OH)3

A CIRCULATORY system in which blood travels twice through the heart in one complete cycle of the body is CALLED Double circulation. In the human circulatory system, the pathway of blood from the heart to the REST of the body and back to the heart is called systemic circulation; and the pathway of blood from the heart to the lungs and back to the heart is called pulmonary circulation. These two types of circulation taken together makes Double circulation.

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B'cuz it's PROTECTED by CELL WALL......

At FOCUS = F
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Sewing is the craft of FASTENING or attaching objects using stitches made with a needle and thread. Sewing is one of the oldest of the textile arts, arising in the Paleolithic era. Before the invention of spinning yarn or weaving fabric, archaeologists believe Stone Age people across EUROPE and Asia sewed fur and skin clothing using bone, antler or ivory needles and "thread" made of various animal body parts including sinew, catgut, and veins.

For thousands of years, all sewing was done by hand. The invention of the sewing machine in the 19th century and the RISE of computerization in the 20th century LED to mass production and export of sewn objects, but hand sewing is still practiced around the world. Fine hand sewing is a characteristic of high-quality tailoring, haute couture fashion, and custom dressmaking, and is pursued by both textile artists and hobbyists as a means of creative expression.

BAKING soda and vinegar react with each other because of an acid-base REACTION. Baking soda is a bicarbonate (NAHCO3) and vinegar is an acetic acid (HCH3COO). ONE of the products this reaction creates is carbon DIOXIDE.

VARIOUS factors are-

1)HEALTH condition: Healthy or ill.

2)Lifestyle: active or sedentary

3)Age

4)Gender

5) Body weight

6) Pre-existing diseases like diabetes, HIGH CHOLESTROL etc.
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HCL gas TURNS into acid when it comes in contact with WATER.

Until the gas comes in contact with water it does not behave acidic.

The reason is that water LETS the gas RELEASE H+ IONS which make the HCL acidic.

The H+ ions set the acidic properties to an acid and makes them reactive.

Electrolytic cell USES ELECTRICAL energy to PRODUCE non SPONTANEOUS chemical reaction, while ELECTROCHEMICAL cell uses spontaneous chemical reaction to produce electric energy

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PLASMA membrane is a selectively permeable membrane which allows entry and EXIT of only selected things in CELL

I THINK HEPATITIS(JAUNDICE)

ANSWER:

Because RESOURCES are not UNLIMITED as it is PROVIDED by nature

Explanation:

Various factors are-

1)HEALTH condition: Healthy or ill.

2)Lifestyle: active or sedentary

3)Age

4)Gender

5) BODY weight

6) Pre-existing diseases LIKE DIABETES, high cholestrol etc.

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The disease which spread from a infected person to a healthy person is CALLED call COMMUNICABLE disease. Sometimes we SEE that someone is SNEEZING and if he will sneeze on a person he will also be affected from sneezing.

As you have used the word uniform motion which says that the object ismoving with a constant angular VELOCITY. So the angular ACCELERATION of the object is zero. This SUGGEST that no external force is acting on the SYSTEM and thus the work done is zero too.

DISEASES which can spread from one person to ANOTHER through AIR are CALLED COMMUNICABLE diseases

Chloroplast and mitochondria are called semi-autonomous organelles because they have their own GENETIC material (DNA) and are CAPABLE of synthesizing PROTEINS required for their functioning.

A PIECE of glass or other TRANSPARENT material with curved sides for concentrating or dispersing light RAYS, used singly (as in a magnifying glass) or with other lenses (as in a telescope).

the light-gathering device of a CAMERA, typically containing a group of compound lenses.

Crude oil is formed from the REMAINS of small animals and plants that DIED and fell to the bottom of the sea. Their remains were COVERED by mud. As the sediment was buried by more sediment, it STARTED to change into ROCK as the temperature and pressure increased.

HCl+NaOH->NACl+H2O
Formula--NaOH
Chemical NAME- COMMON SALT or table salt

a dictionary is a BOOK FULL of meaning of WORDS with different meaning is different situation.

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He divide the PART into ALGAE FUNGI animilia plantae and PROTISTA

I THINK the QUESTION LANGUAGE is not CLEAR....

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There are TOTAL EIGHT planets in our solar system.

Name of those planets are as follows;

* Mercury

* Venus

* EARTH

* Mars

* Jupiter

* Saturn

* Uranus

* Neptune

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Illha the QUEIMADA, BRAZIL is the most DANGEROUS ISLAND in the WORLD.

Boron has two isotopes B10 here 10 is the atomic mass of the isotope the same is with B11 therefore we can apply the formula here,

Avg atomic mass = %ABUNDANCE of 1st isotope x atomic mass + %abundance x atomic mass of 2nd isotope

Now as we DONT know the % abundances we can take them as "X" and 100-X and the average atomic mass is given as 10.8 u we can take the round figure as 11!

Substitute all the values in the above mentioned formula LIKE so;

11 = X * 10 + (100-X) * 11

11 = 10X + 110 - 11X

11 = 10X - 11X + 110

11 = -X + 110

X = 110 \ 11

X = 10

Substitute the X value in (100-X) which is = 90

Therefore the % abundance of B 10 is 10 % and the % abundance of B11 is 90%

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♢ HALOPHILLS are type of archaebacteria which belongs to the kingdom monera .
They are chemptrophic
They can SURVIVE in high salt concentration , DUE to absence of contractile vacoule .
They have a pigment called bacteriohodospin in their cell membrane , whuch help them to trap sunlight
For ex - halobacterium , haloanacoccus



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no we can not SAY them METAL because metal are always CONDUCTOR but coal and PENCIL lead are insulator . and metal are sonorus thus they produce sound but the coal and lead are not SONOROUS

(b.pheretima)

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The somatic nervous system includes the sensory and motor nerves that innervate the limbs and body WALL. Sensory nerve fibers in the PERIPHERAL nerves are the peripheral axonal process of neurons in the DORSAL root GANGLION. The motor axons are the processes of anterior horn CELLS of thespinal cord.

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YES, GREEN PLANTS, THAT IS, THE PRODUCERS HAVE CHLOROPHYLL, A GREEN PIGMENT IN THEIR LEAF CELLS. THEIR CHLOROPLASTS HAVE FLATTENED STRUCTURES CALLED THYLAKOIDS WHICH CONTAIN CHLOROPHYLL IN THEIR WALLS
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Sustainable development in the context of developing countries to a very large extent depends on effective management of natural resources in general and forests, in particular. Forest management is a deliberate social intervention in ecology with the goal of maintaining and enhancing its quality and sustaining an optimal degree of human- forest interface. To this end, a number of techniques are used such as biological, microbiological, silvicultural and physical. However, the concept of forest and forestry is undergoing change. This is very well reflected in the changing THEMES of International conferences, conventions and PUBLICATIONS. The concept of forest management is going beyond trees - its plantation, growth, harvesting to forces outside boundaries of forest like Institution, Market and People.

As the human population continues to expand, especially in Southeast Asian countries like Bangladesh. Indonesia, India, Nepal, Pakistan and Philippines. The role of forest management is becoming critical and has far reaching implications. Conservationists, usually trained in natural sciences have concentrated their efforts in technological and biological solutions to forest management. Gradually, it has been recognized and accepted that unless the people adopt the technology and interventions METHODS, advancement in clean and green environment will not provide results.

The depletion and destruction of forest resources constitute one of the gravest CRISES affecting the earth today. The threats to these resources largely come from human beings. Such threats include population pressure, unplanned urban growth and industrial and technological advancement. The paper explores the role of human factors in forest conservation through pro-environmental ACTION model.

1rev 2B 3 a,4a PHYSICAL CHANGE

3.368×10^24 KG — roughly half of EARTH’s mass.

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It SHOWS REALTION BW VELOCITY and time
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no we cannot call them metals because PENCIL lead is made up of graphite nd graphite is a nonmetal athough its a great CONDUCTOR of ELECTRICITY. also graphite DONOT show properties of metals ie sonority , malleability etc.

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