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Explanation:Abstract Congress grass, Parthenium hysterophorus L., of the family Asteraceae (tribe: Heliantheae), is an erect and much branched annual or ephermeral herb, known for its notorious role as environmental, medical, and agricultural hazards. It is believed to have been introduced into India and Australia from North America and in the last few years the weed has emerged as the seventh most devastating weed in AFRICA, Asia, and Australia. The aim of this review is to provide general information about the physiology, distribution, ill effects, and management of parthenium. Control of parthenium has been tried by various methods, but no single management option would be adequate to MANAGE parthenium, and there is a need to integrate various management options. Successful management of this weed can only be achieved by an integrated approach with biological control as the key element.Introduction Parthenium hysterophorus L. (Asteraceae), a noxious plant, inhabits many parts of the world, in addition to its native range in North and South America and the West Indies [1]. According to Holm et al. [2] this noxious invasive SPECIES is considered to be one of the worst weeds currently known. This is a weed of global significance responsible for severe human and ANIMAL health issues, such as dermatitis, asthma and bronchitis, and agricultural losses besides a great problem for biodiversity. It is a widely held belief that the seeds of this weed came to India with grains imported from USA under the US PL 480 scheme, also known as “Food for Peace” which is a food assistance programme of the US government, and spread ALARMINGLY like a wild blaze to almost all the states in India and were established as a naturalized weed. In India, the weed was first pointed out in Poona (Maharashtra) by Professor Paranjape, 1951, as stray plants on rubbish heaps and was reported by Rao [3] as a new species in India, but the earliest record of this species in India goes back to 1814 by Roxburgh, the father of Indian Botany, in his book Hortus Bengalensis [3, 4]. Ever since the weed became a menace around the globe including India, efforts have been made to manage the weed employing different methods such as mechanical, competitive replacement (allelopathy), chemical, and biological control methods. However, the weed has defied all human efforts to control it due to one or other disadvantages. Biological control, the intentional manipulation of natural enemies, insects, bioherbicides, nematodes, snails, and competitive plants to control harmful weeds, is gaining momentum as it is an effective and ecofriendly alternative to conventional methods of weed control [5].

tion:a) YELLOW vein mosaic of BHINDI b) insectsc) TRANSMITTED by WHITEFLY

HERE IS YOUR ANSWER'S ANS 26.a = RAYON IS A ARTIFICIAL FIBRE SIMILAR TO SILK.. Ans b. = RAYON IS THE FIBRE MADE UP OF POLYESTER AND COTTON. Ans c. POLYESTER Ans 27. Single-use plastics slowly and gradually break down into smaller pieces of plastic known as microplastics. It can take thousands of years for plastic bags to decompose, thus contaminating our soil and WATER in the processHOPE IT HELPED U.... ^_^

Example of combination reaction: 2Na + Cl2 → 2NaClExample of decomposition reaction: CACO3 → CaO + CO2Example of displacement reaction: Zn + CuSO4 → ZNSO4 + CuExample of DOUBLE displacement reaction:BaCl2 + Na2SO4 → BaSO4 + 2NaClExample of precipitation reaction:NaCl(aq) + AgNO3(aq) → AgCl(s) + NaNO3(aq)Example of neutralization reaction:HBr + NaOH → NaBr + H2OExample of combustion reaction:C10H8 + 12 O2 → 10 CO2 + 4 H2OExample of redox reaction:CuO + H2 → Cu + H2OHope it will help you Mark the brainliest

ew, simple features prevent virtually all heat transfer by EITHER conduction, convection, or radiation. The vacuum prevents conduction. The tight stopper prevents air from entering or leaving the flask, so convection isn't possible either. What about radiation? When INFRARED radiation tries to leave the hot liquid, the reflective lining of the inner chamber reflects it STRAIGHT back in again. There's virtually no way heat can escape from a vacuum flask and a hot drink stored INSIDE will stay steaming hot for several hours.hope this helps, MARK as brainliest....

An inclined PLANE, also known as a ramp, is a FLAT supporting surface tilted at an angle, with one END higher than the other, used as an AID for raising or lowering a load.

tion:An electric current is the rate of FLOW of electric CHARGE past a POINT or region. An electric current is said to exist when there is a net flow of electric charge through a region. Electric charge is carried by charged PARTICLES, so an electric current is a flow of charged particles.

We will put the wheat SEEDS in water. The seeds which will float are not good. The seeds which will SINK are good and healthy seeds and they can be USED for sowing purposes. Hope it will help you MARK the brainliest

An artifact, or artefact, is something made or given shape by humans, such as a tool or a work of art, especially an object of ARCHAEOLOGICAL interest. An astronaut or cosmonaut is a person trained by a human spaceflight program to command, pilot, or serve as a CREW MEMBER of a SPACECRAFT. ... Until 2002, astronauts were sponsored and trained exclusively by governments, EITHER by the military or by civilian space agencies

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Microwave radiation can heat BODY tissue the same way it heats food. Exposure to high levels of microwaves can cause a painful burn. TWO areas of the body, the eyes and the testes, are particularly vulnerable to RF HEATING because there is relatively little blood flow in them to CARRY away excess heat.

2x+2yExplanation:PLZ MARK as BRAINLIST ANSWER

Natural fibres: Fibres produced by plants or animals are called natural fibres. Best examples of plant fibres are: linen and cotton. Examples of animal fibres are: wool and silk. They have natural color. INCASE COLORING is required then dying is very EASY. Usually natural FABRICS are comfortable to wear. It is environmental friendly. On burning it turns into ash. Limited use of these fibres when compared to synthetic fibres. Synthetic fibres: Man made fibres created in laboratories are called synthetic fibres. Examples of synthetic fibres are acrylic, nylon and polyester. Colors can be added as per required. Coloring is difficult. THESES fabrics are not comfortable to wear when compared to natural fibres. It is not environmental friendly because some fibres like polypropylene is harmful. On burning it melts and gives out chemical smell. These fibres are more durable than natural fibres.Explanation:

....lisa silk is obtained from an Indian silk worn Antheraea mylitta and is a variety of tussar silk KNOWN the world over for its SOFT texture and purity..... this version of tussar silk is PRODUCED exclusively in India......hope it helps u!!!plz mark me as a brainlister!!!nd don't FORGET to follow me!!!@NUSRAFATIMA ___________________________♡

a) It is caused by varicella-zoster VIRUSB) It is TRANSPORTED by PERSON to person through direct CONTACT, droplet or airc) Shingles is one more disease caused by varicella-zoster virusExplanation:Hope this helps......

Answer: NYLON fibres are very STRONG. It is used for making ropes, used for CLIMBING rocks and for making PARACHUTES. Their USAGE shows that nylon fibres have high tensile strength.

CAPTCHA stands for Completely AUTOMATED Public Turing test to tell COMPUTERS and Humans Apart. In other words, CAPTCHA DETERMINES whether the user is real or a spam robot. CAPTCHAs stretch or manipulate letters and numbers, and RELY on HUMAN ability to determine which symbols they are.I hope it helps

Any OBJECT or stuffs which has MASS and occupies a space is CALLED MATTER.

Explanation:the balanced diet of an individual changes according to the person's age. If the person is OLD then his diet should have more of carbohydrate and LESS of protein and a child's diet must have more of protein. This is because ELDERS NEED more energy to perform various TASKS, which is full filled by carbohydrate. Children need more protein for early development of brain and physical strengthHope it helpsPlease mark as brainliest

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The frequency of IRRIGATION is much higher in summers due to the water LOSS from TRANSPIRATION, which is much greater as compared to other seasons. There's more water loss due to evaporation and transpiration SINCE it's warmer.

etric FLUIDS are those fluids on which temperature leaves a great EFFECT or temperature EFFECTS them the most. They CHANGE themselves according to temperature. EXAMPLE - Mercury

G stands for Newton's universal gravitational constant, whereas g stands for the acceleration due to gravity at a CERTAIN point. G = 6.67300 × 10 -11 N.m 2.kg -2, G is a constant throughout SPACE and time and it is a scalar quantity.Explanation:

Rank State A P 1 WEST Bengal 577.0 8349 2 Bihar 139.1 1690 3 ASSAM 70.0 823 4 Andhra Pradesh 25.0 225 5 Orissa 22.4 177.7 6 Meghalaya 12.6 86.31 7 Nagaland 4.6 40.2 8 Tripura 1.3 11 9 Uttar Pradesh 0.4 4.5 10 Others 20.0 0 S.No. State/ UT Cotton * (Th. tonnes) 1 Gujarat 11089 2 Maharashtra 7019 3 Andhra Pradesh+ Telangana 6641 4 Haryana 2300 5 Karnataka 2200 6 Madhya Pradesh 1750 7 Rajasthan 1600 8 Punjab 1600 9 Tamilnadu 786 10 Orissa 4Explanation:

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a nob B C CExplanation:no explanation NEEDED for this answer

Symbol-O  Neutrons-8Atomic Number-8  ENERGY Levels-2Atomic weight-15.99  ATOMIC radius-48 Proton/electrons-8Explanation:FOLLOW me MARK me as BRAINLIEST

a-picklesb-pasteuraitationc-colai and botulismd-drying,FERMANTATION

The cocoon are very important STAGE of PUPA in the lifecycle as it protects the DEVELOPING larvae and GIVES it all the NUTRIENTS.

transparent:where light passes but In a SMALL QUANTITY...u can LOOK from ONE side to other and Opaque:where lightdoes not passed and u can't look anything inside itExplanation: MARK IT AS THE BRAINLIEST AND FOLLOW ME!!!

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━Soil FERTILITY can be further IMPROVED by incorporating cover CROPS that add organic matter to the soil, which leads to improved soil structure and promotes a healthy, fertile soil; by USING green manure or growing legumes to FIX nitrogen from the air through the process of biological nitrogen fixation; by micro-dose ...━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

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Antibiotics have been effective in improving the RATE and EFFICIENCY of GAIN in swine, cattle, and poultry. The responses in poultry and swine are generally greater in younger ANIMALS than in those reaching the END of the growing-finishing period.please mark as branliest

tion: by the process of EVAPORATION water vapour FORM in the atmosphere THANKS

hello mate.... Explanation:The body uses three main nutrients to function— carbohydrate, protein, and FAT. ... CARBOHYDRATES are used for energy (glucose). Fats are used for energy after they are broken into fatty acids. Protein can also be used for energy, but the FIRST job is to help with making hormones, muscle, and other proteinshope you get your ANSWER.... PLZ follow me follow back will be done.... plz mark as brain list answer.............. ❤✅❤