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मार्च 1869 में दिमित्री इवानोविच मेंडलीफ ने रशियन केमिकल सोसाइटी के समक्ष एक सारणी पेश की थी। इसे पहली आवर्त सारणी माना जाता है। पहली बार आवर्त सारणी तैयार होने के करीब 150 वर्ष बाद 21वीं सदी में भी इसमें नए तत्त्वों को जोड़ा गया है। यह अविश्वसनीय उपलब्धि थी। मेंडलीफ ने वह सिद्धांत खोज निकाला था जिसे 'पीरियॉडिक लॉ' (आवर्त नियम) के नाम से जाना जाता है। उन्होंने पाया था कि अपने परमाणु भार के क्रम में व्यवस्थित अवयवों को नियमित अंतराल पर समान गुणों के आधार पर एक समूह में रखा जा सकता है।

tion:a) Minimise the USE of MOTOR vehicles.b) REDUCE the use of fossil fuels.c)Plant more TREES.

which FACTORY are RPONSIDE for the GOOD HEALTH of ABOLESCENTS..

apne oopar MUG daalo pani par fir USSE khichi it requires FORCE this is ALSO called mugal experiment

11/437500Explanation:I HOPE I haven't COMMITTED any CALCULATION MISTAKES :)

Total MASS of fuel = 4.5 KG Total HEAT produced = 180,000 kJ Heat produced by BURNING 1 kg of fuel = 180,000 kJ/4.5 kg = 40,000 kJ/kg. So, calorific VALUE of fuel = 40,000 kJ/kg

tion:The three things that can affect a condition to enforce a slide is friction, weight, and slope of an AREA. SOLUTIONS that can make FLOW easily are those that can create less friction depending on the condition of an environment where it is present.

पृथ्वी के सतह के किसी भाग के स्थानों, नगरों, देशों, पर्वत, नदी आदि की स्थिति को पैमाने की सहायता से कागज पर लघु रूप में बनाना मानचित्रण कहलाता हैं। ... मानचित्र को नक्शा भी कहा जाता है। आजकल मानचित्र केवल धरती, या धरती की सतह, या किसी वास्तविक वस्तु तक ही सीमित नहीं हैं।

n COMMISSION of India's Model Code of Conduct is a set of guidelines issued by the Election Commission of India for conduct of political parties and candidates during elections mainly with respect to speeches, polling day, polling booths, portfolios, election manifestos, processions and general conduct. These set of norms has been evolved with the CONSENSUS of political parties who have consented to abide by the principles embodied in the said code in its letter and spirit. The Model Code of Conduct comes into force immediately on announcement of the election schedule by the commission for the need of ensuring free and fair elections. Its main purpose is to ensure that ruling parties, at the Centre and in the States, do not misuse their position of advantage to GAIN an unfair EDGE. It is designed to avert practices which are deemed corrupt under model code of conduct . For example, POLITICIANS should not make hate speeches, putting one community against another or make promises about new projects that may sway a voter.For the 2019 Indian general election the code came into force on 10 March 2019 when the Commission announced the dates and remains in force till the end of the electoral process.

d of describing the number and arrangement of teeth in man and animals using LETTERS and figures. It is written as an expression of the number of each type of TOOTH in one SIDE of the upper jaw over the number of teeth in one side of the lower jaw.

iation in APPARENT GRAVITATIONAL acceleration (g) at different locations on Earth is caused by two things (as you IMPLIED). ... The distance between the CENTERS of MASS of two objects affects the gravitational force between them, so the force of gravity on an object is smaller at the equator compared to the poles.Mark it as brainliest please

Healing nail fungal Head lice removal Conditions hair Lessens varicose veins SKIN moisturizer Avoids wrinkles, TREATS burns and blisters and soothes SUNBURN Gives relief to gall bladder DISEASE Protection against ALZHEIMER’s disease Strengthens liver

your ANSWER......

They MAKE their nest in a wood object they are doing hole with the mouth and living INSIDE it..... Hope this ANSWER will HELP you........

THE CONCENTRATION OF COPPER SULFATE IS TOO HIGHExplanation:This is CORRECT because when you add copper sulfate SOLUTION to a strip of zinc the atomic no. of zinc is 30 while that of Cu is 29 and Sulfate is 14^5So,CuSo4 > Zn = No reactionHOPE YOU LIKED IT@#MARK as BrainlistRate the StarsThank if you like the answer to show others the QUALITY of the answerBye.....Good NightHave a nice dream

I can't UNDERSTAND your QUESTION

Where is the QUESTION ?

Ye SAB likhne KA nhi HOTA

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hyExplanation:Food REMAINS safe at 5 degree Celsius as it PREVENTS the growth of bacteria. Explanation: ... This low TEMPERATURE will PREVENT bacteria from proliferating, thus preventing the food from spoiling.

Explanation:The refraction of light TAKES PLACE from denser to rarer MEDIUM

okkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkExplanation:

100 is the VOLUME occupied by a given sample of gas at 100 °C; V0 is the volume occupied by the same sample of gas at 0 °C; and K is a CONSTANT which is the same for all gases at constant pressure. This equation does not CONTAIN the temperature and so has nothing to do with what became known as Charles's Law.

Two characteristic FEATURES of actinomycetes are:-KINGDOM: Bacteria - As members of the kingdom Bacteria, Actinomycetes are unicellular organisms characterized by a simple cell structure. Although they can be found in various environments ACROSS the world, some of the species can cause diseases in human beings. As Gram-positive bacteria, they also contain a peptidoglycan LAYER in their cell wall. Phylum: Actinobacteria - As members of the Phylum Actinobacteria, Actinomycetes are Gram-positive bacteria characterized by a HIGH G+C content in their DNA. They can be found in terrestrial and aquatic environments where they exhibit high nutritional versatility. Members of this group also produce mycelium. hope it's helpful.

Electricity BILL is CALCULATED by multiplying the units you CONSUME by the RATE of units.for EXAMPLE if you use 50 units,your bill will be 50x6.5 = 325Hope it helpsmark me the brainleist

tion:Bleeding gums can be one of the indications of a gum diseaseAn unhygienic mouth can be home to VARIOUS bacteriaPoor eating habits can be one of the causes of bleeding gumsPicture this: You bite into an apple and see a red patch on the bitten part. Embarrassing MUCH? Take another INSTANCE; you are brushing your TEETH and as you spit out the paste, you see a hint of blood in the sink. Your bleeding gums may be a cause of worry; seeing blood oozing out of your gums is not normal. Bleeding gums can be one of the indications of a gum disease; therefore, it is important to take care of not just your pearly whites, but also your gums that hold them firmly. Here's everything you'd want to know about bleeding gums and home remedies to keep them healthy.PLEASE MAKE ME AS A BRAINLIST ANSWER I WILL

An air MASS is a large volume of air in the atmosphere that is MOSTLY UNIFORM in TEMPERATURE and MOISTURE.

1. 1)When Lead Nitrate is HEATED it produces a yellow PRECIPITATE of Lead monoxide .2. It's ALSO produce a brownish COLORED fume (gas) which is Nitrogen dioxide along with oxygen . 2 . This is Decomposition type of chemical reaction .Please FALLOW Me

3. (C) both a and B4. (a) It is the practice of growing DIFFERENT CROPS in succession in the same field.5. (a) Aush6.( d) Mango​

Its CALLED RUST.

The area of a SQUARE can be CALCULATED by using the following formula- 1. Area of square of side =side×side=l×l=l 2 .The area of a leaf is obtained by using a GRAPH PAPER. A graph paper has small squares of each side 1mm. The area of each big square is 1cm 2 .Procedure: Place the leaf on graph paper. Draw its outline on the paper and remove it. Now count the number of complete squares. To this add the number of incomplete squares which are HALF or more than half. Ignore the squares which are less than half.Thus,Approximate area = (No. of complete squares + no. of half or more than half of incomplete squares) × area of one square.

no WINNOWING takes place after harvesting is COMPLETED to REMOVE the unwanted DUST and dirt particles from the crop.

y!So Your ANSWER Ispower consumption * usage TIME = POWER consumed . So we'll consume 10000 watt hours or 10 kilowatt hours of power every day.Pls MARK It As The Brainliest!!THX!!!!!

As altitude rises, air pressure drops. In other words, if the INDICATED altitude is high, the air pressure is LOW. This happens for two reasons. The first reason is gravity. EARTH's gravity PULLS air as close to the surface as possible.