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Answer:

Natural DIAMONDS are mined around the world through alluvial -, PIPE -, and marine MINING using DIFFERENT types of machinery and EQUIPMENT. Synthetic diamonds are man-made in a lab; a scientist will place the element carbon under high-pressure and high-temperature to form a diamond crystal.

Answer:

CLS 6

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NCERT Solutions for Class 4 EVS Chapter 20 Eating Together

August 10, 2016 by Sastry CBSE

NCERT Solutions for Class 4 EVS Chapter 20 Eating Together

NCERT PAGE NUMBER 167

Write in Your Notebook

1. Do you like to eat with others?

Ans. YES, I do like to eat with others.

2. On what OCCASIONS do you eat together with your friends?

Ans. We eat together while celebrating festivals and functions. During lunch break in school also we eat together.

3. Have you ever had a party in your class?

Ans. Yes, we had had SEVERAL parties in our class. –

4. When? What all did you do to arrange a party?

Ans. The party was on the eve of Independence Day. We arranged a cook, ingredients to prepare food, sparkle lights, invitation cards, vehicles for picking and dropping the guests.

. What did you and your classmates bring to the party?

Ans. We brought balloon, flags, sparkle powder, etc.

. What all did you eat?

Ans. FIRST of all we ate snacks, and then we had lunch. In snacks we ate cakes and pastries and in lunch we ate pulaao, dal, puri, sabji and sweets.

7. Who were the people you invited for your party?

Ans. All the parents, and families of all the teachers.

8. Were there some people who work in your school, whom you could not invite?

Who were these people?

Ans. No, all the people who work in my school were invited.

9. Did you wear any special dress for the party?

Ans. Yes, we all wore party dresses. ‘

Explanation:

• Class 4th and 6th Question Are Easy
• Ha Ha Ha

Answer:

The various forms in which animals and plants are interdependent in the ENVIRONMENT DEPEND on each other for essential survival needs such as FOOD, SHELTER, protection, and propagation. Plants PRODUCE food for both humans and animals, who can not build on their own as plants do.

Answer:

Concave mirror is used by dentist, SOLAR FURNACE, reflector of a torch, ETC. Convex mirror is used in rear VIEW mirrors.

Answer:

thankful, : grateful, appreciative

Some common synonyms of VIRTUOUS are ETHICAL, moral, noble, and righteous

SYNONYMS. take out, draw out, bring out, PULL out, remove, withdraw, pluck out, fish out, PRIZE out, extricate. wrench out, tear out, uproot, unsheathe. produce. free, release

Explanation:

4cu+o2 GIVES 2cu2o

it is the REACTION.

Local PEOPLE around forests are referred to as “stakeholders”because: (i) Locals are dependent on forest produce. (ii) They usually cut the branches of the TREES and pluck their leaves, but do not cut down the whole tree. (iii) They also collect green fodder and graze their CATTLE • in the forest

Fo More information Go On

• Local people around forests are referred to as "stakeholders" - CBSE TUTS

Answer:

1. Vaccine- killed or attenuated microbes injected in body

Antibiotic- Preformed antibodies injected as serum.

2. Inflammation is the swelling of lymph near a region of foreign entry or ATTACK. The WBCs fight the antigen and blood CAUSES the temperature of that region to rise. Dead WBCs and antigen come out as pus.

3. Because Virises are mutable as their genetic framework isn't stable. So Preformed antibodies may not be valid against the virus attaed a particular host

4. The water droplets are the watrer vapour in surrounding (humidity). When they come in contact with ICE, they release their latent heat of condensation to form water back again.

5. Solids are held together by strong Bonds, Metallic bonds, Van der Waals forces, inter-atomic attraction that gives them a definite shape.

6. At high altitude, the water boils at much faster rate, nearly 73⁰C. Because of low atmospheric pressure.

So it shall evaporate WITHOUT proper heating the food.

7. Any substance taht can flow are called fluids. Ex- Liquid and gas.

A fluid can bear MECHANICAL stress but not tangential stress, and start to flow.

Answer:

Wildlife habitat is the natural environment of a plant or animal and can be considered an output or product of forest and natural resource management. While we describe this topic in more detail in . Habitats generated in a forested landscape by either process can promote the establishment of a variety of herbaceous and shrub species. This variety of plant COMMUNITIES can yield valuable foraging, nesting, and roosting environments for a wide variety of vertebrate and invertebrate species. This diversity of flora and fauna can improve the species richness and biodiversity of a forest. A suite of these habitats distributed across a landscape can also improve the quality of recreational activities, such as birdwatching or hunting. A diversity of wildlife habitats can be viewed as regulatory and cultural aspects of forest ecosystem services, which we discuss in more detail in Chapter 6. RANGELAND resources can also be intermixed with forested areas to provide the forage and resources NECESSARY for livestock or other animals that graze on low-lying vegetation.

ANSWER:

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Answer:

The loss of trees and other vegetation can cause climate change, DESERTIFICATION, soil erosion, fewer CROPS, flooding, increased greenhouse gases in the atmosphere, and a HOST of problems for INDIGENOUS people.

Answer:

EXAMPLES of circular motion include: an artificial satellite orbiting the Earth at a constant height, a CEILING FAN's BLADES rotating around a HUB, a stone which is tied to a rope and is being swung in circles, a car turning through a curve in a race track, an electron moving perpendicular to a uniform magnetic field, and a gear turning inside a mechanism.

Explanation:

Hope it helps U

Answer:

Only one TRIAD of Dobereiner's triads EXISTS in the columns of Newlands' OCTAVES. The triad FORMED by the elements Li, Na, and K of Dobereiner's triads also occurred in the columns of Newlands' octaves.

SILK SAREE :silk

Explanation:

CLOTHS

EXPLANATION: Examples of permanent changes are:if a tree is grown it can't change back into a BABY plant. TEMPORARY change Temporary change is a change is for a limited time. Permanent , Temporary , Chemical & PHYSICAL Changes Examples of temporary change are : wet sand can change into dry sand.

ANSWER:

Most manure consists of animal feces; other SOURCES include compost and green manure. Manures contribute to the fertility of soil by adding ORGANIC matter and nutrients, such as nitrogen, that are utilised by bacteria, FUNGI and other organisms in the soil.

Explanation:

Go On

• Manure - WIKIPEDIA

Answer:

Habitat: Aloe vera grows in HUMAN Altered environments (yards, fields, and in and around abandoned houses). Distribution in Bahamas/Globally: Aloe vera is NATIVE to the MEDITERRANEAN region (north Africa) but is NATURALIZED throughout the subtropical regions of the world.

ANSWER:

TREES grow through photosynthesis, they EAT FOOD, they absorb minerals, nutrients and water. Reproduction, growth and development, regulation, homeostasis, and energy PROCESSING are al other example of why they are livving things

Explanation:SHARKS belong to the Class Chondrichthyes. This includes all fish that have a skeleton made of cartilage. They're further divided into TWO Sub-classes. Elasmobranchii (sharks, skates and RAYS) and Holocephali (chimaera).

Explanation:

When magnesium reacts with oxygen, it produces LIGHT bright enough to blind you temporarily. Magnesium BURNS so bright because the reaction releases a lot of heat. As a result of this exothermic reaction, magnesium gives TWO electrons to oxygen, forming powdery magnesium oxide (MgO).

Hope it HELPS please MARK brainliest ✌

Answer:

Kerosene is heated by hot water in a shell-and-tube heater. The kerosene is inside the TUBES, and the water is outside. The flow is countercurrent. The average TEMPERATURE of the kerosene is 110°F, and the average linear velocity is 8 ft/s. The properties of the kerosene at 110°F are: specific gravity, 0.805; viscosity, 1.5 cP; specific heat, 0.583 Btu/lb · °F; and thermal conductivity, 0.0875 Btu/ft · h · °F. The tubes are low-carbon steel -in. OD by BWG 16. The heat-transfer coefficient on the shell SIDE is 300 Btu/ft2 · h · °F. Calculate the overall coefficient based on the outside AREA of the tube.

Explanation:

• First Clear That

This Is Answer

ANSWER:

Two important LIMITATIONS are: All known elements COULD not be classified into groups of triads on the basis of their properties . Not all groups obeyed the Law of Triads. For EXAMPLE, nitrogen family does not OBEY the Law of Triads

Answer:

No, all LIVING BEINGS do not need the same kind of food. Some animals EAT only PLANT products called as HERBIVORES. Some animalseat only other animals. They are called carnivores.

(b) Wheat plant: Seed

(d) Beetroot plant: Root

(c) Potato plant: Stem

ANSWER:

LEAVES ARE THE FOOD FACTORIES OF PLANTS.

EXPLANATION:

The leaf can be thought of as a food FACTORY. Leaves of plants vary in SHAPE and size, but they are ALWAYS the plant organ best suited to capture solar energy.

HOPE IT HELPS!

ANSWER:

yes

Explanation:

Potatoes, grown in cooler climates or seasons around the world, are often thought of as ROOTS because they usually grow in the ground. But technically they are STARCHY, enlarged modified stems called tubers, which grow on SHORT branches called stolons from the lower parts of potato PLANTS

EXPLANATION: WOOL is OBTAINED from this fleece. Shearing is the first step in processingfibre into wool. It is the removal of the fleece of the sheep ALONG with a thin layer of the skin.

The silkworms be killed by placing the cocoons in boiling WATER because to obtained from the COCOON by KILLING the insects inside it.

hope it helps.

E = MC2, equation in German-born physicist Albert Einstein's theory of special relativity that expresses the fact that mass and energy are the same physical entity and can be changed into each other.

In the equation, the increased relativistic mass (m) of a body times the speed of light squared (c2) is equal to the kinetic energy (E) of that body.

= MC2

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E = mc2

equation

WRITTEN BY

Sidney Perkowitz

Charles Howard Candler Professor of Physics Emeritus, Emory University, Atlanta. Author of Empire of Light, Universal Foam, Hollywood Science, Slow Light, and others.

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Understand the PROOF of Albert Einstein's special-relativity equation

Understand the proof of Albert Einstein's special-relativity equation

Proof of Albert Einstein's special-relativity equation E = mc2.

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E = mc2, equation in German-born physicist Albert Einstein’s theory of special relativity that expresses the fact that mass and energy are the same physical entity and can be changed into each other. In the equation, the increased relativistic mass (m) of a body times the speed of light squared (c2) is equal to the kinetic energy (E) of that body.

E = mc2

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Albert Einstein

RELATED TOPICS

Mass

Kinetic energy

Special relativity

Speed of light

Mass-energy equivalence

In physical theories prior to that of special relativity, mass and energy were viewed as distinct entities. Furthermore, the energy of a body at rest could be assigned an arbitrary value. In special relativity, however, the energy of a body at rest is determined to be mc2. Thus, each body of rest mass m possesses mc2 of “rest energy,” which potentially is available for conversion to other forms of energy. The mass-energy relation, moreover, implies that, if energy is released from the body as a result of such a conversion, then the rest mass of the body will decrease. Such a conversion of rest energy to other forms of energy occurs in ordinary chemical reactions, but much LARGER conversions occur in nuclear reactions. This is particularly true in the case of nuclear fusion reactions that transform hydrogen to helium, in which 0.7 percent of the original rest energy of the hydrogen is converted to other forms of energy. Stars like the Sun shine from the energy released from the rest energy of hydrogen atoms that are fused to form helium.

Answer:

The LAW of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other WORDS, the mass of any ONE element at the BEGINNING of a reaction will equal the mass of that element at the end of the reaction.

This STATEMENT is 'TRUE'

ANSWER:

F = 126

hope it HELPS

Answer:

Cucumis is a genus of twining, tendril-bearing PLANTS in the family Cucurbitaceae which includes the cucumber (Cucumis SATIVUS), muskmelons (Cucumis melo, including cantaloupe and honeydew), the horned melon (Cucumis metuliferus), and the West INDIAN gherkin (Cucumis ANGURIA).

Answer:

C) PHOSPHOLIPIDS

Okay GOOD LUCK

BUG OUT

Answer:

Galvanisation or galvanization (or galvanizing as it is most commonly CALLED) is the process of APPLYING a protective ZINC coating to iron or steel, to prevent rusting. The most common METHOD is hot dip galvanizing, in which steel sections are submerged in a bath of molten zinc.

Explanation:

ANSWER:

when they will ANNOUNCE DATE and center

thanks

have a nice day

Answer:

The above figure shows the characteristics of an ideal RECTIFIER circuit with its transfer characteristics. This IMPLIES when the input signal is NEGATIVE, the output will be zero VOLTS and when the input signal is positive the output will follow the input signal.

Explanation:

What is a Precision Rectifier Circuit?

Before we know about the Precision Rectifier Circuit, let's clarify the basics of the rectifier circuit.



ANSWER:

NITROGEN

Be BRAINLY

THANK you

Answer:

properties of water

Water is POLAR. ...

Water is an EXCELLENT solvent. ...

Water has high heat capacity. ...

Water has high heat of vaporization. ...

Water has COHESIVE and adhesive properties. ...

Water is less dense as a SOLID than as a liquid.

ANSWER:

DEAD ORGANISMS is the answer HOPES it HELPS

Answer:

A MOLECULE of ethanol CONTAINS six hydrogen ATOMS while that of ETHANOIC acid contains four hydrogen atoms since OXIDATION involves removal of hydrogen, therefore conversion of ethanol to ethanoic acid is an oxidation reaction.

ᴍᴏsᴛ ʙᴜᴛᴛᴇʀғʟɪᴇs ᴀɴᴅ ᴍᴏᴛʜs ᴄᴀɴ ᴏɴʟʏ ʀᴇʟʏ ᴏɴ ᴄᴇʀᴛᴀɪɴ ᴘʟᴀɴᴛs, sʜʀᴜʙs ᴏʀ ᴛʀᴇᴇs ᴛᴏ ғᴇᴇᴅ ᴛʜᴇɪʀ ʏᴏᴜɴɢ. ғᴏʀ ᴇxᴀᴍᴘʟᴇ, ᴛʜᴇ ᴄᴀᴛᴇʀᴘɪʟʟᴀʀ ᴏғ ᴛʜᴇ ᴍᴏɴᴀʀᴄʜ ʙᴜᴛᴛᴇʀғʟʏ ᴄᴀɴ ᴏɴʟʏ ᴇᴀᴛ ᴍɪʟᴋᴡᴇᴇᴅ ʟᴇᴀᴠᴇs ᴛᴏ sᴜʀᴠɪᴠᴇ.

ANSWER:

आरोग्य व रोग . ... पटलबद्ध केंद्रक असते . 2. ... 4. वदलेली ववधाने चूक की बरोबर ते वलहून त्यांचे.

ANSWER:

Coffee-leaf tea is a herbal tea prepared from the leaves of the coffee plant (EITHER Coffea robusta or Coffea ARABICA). These leaves, after being roasted, can be ground up or crumpled, then brewed or steeped in hot water in a FORM SIMILAR to tea.

Explanation:

Mark Me Brainliest

<P>Answer:

Hey mate here is the answer

Explanation:

Properties of image of a plane mirror:

•Virtual

•Erect

•Same size as of the object

•Same DISTANCE as of the object from the mirror

Properties of image in a special mirror

*Concave mirror:

•Real images (except in case of object btw F &P)

•Inverted image (except last case)

•Both diminished and magnified

*CONVEX mirror

•Virtual image

•erect

•diminished images

Hope it helps you

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ANSWER:

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Working With UNITS

Answer:

1. City GIVES opportunity of better jobs, leading to more income and FAMILY upliftment.

2. Better education of children in good schools, colleges and so on.

3. Smaller family size DUE to higher literacy rate

4. Nucleated family. Only PARENTS and children.

The main difference lies between the SER and RER is the PRESENCE of RIBOSOMES, as SER do not have ribosomes but RER have ribosomes. SER mainly produce and EXPORT lipids and protein and function for detoxification, while RER produces, secrete and export proteins and few HORMONES.

ANSWER:

HI namba

NAANUM TAMIL dhan

Explanation:

why so SERIOUS!!

ANSWER:

good EVENING friends have a GREAT DAY today

Answer:

Forests influence the quality of air, SOIL and water, natural resources in the following ways : ... Thus, they MAINTAIN the concentration of OXYGEN and carbon-dioxide in the atmosphere. (II) Soil - Forest tree and other plant roots bind the soil particles. They form a vegetation cover over the fertile TOP soil.