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tion:At home, in school, in the street or in office, we are surrounded by metals and non- metals. In the kitchen, we use both metals and non-metals. COOKING utensils are made of metals like iron, aluminium, zinc and copper. Our storage containers could be made of non-metals such as plastics and glass. Thus metals and non-metals are an INTEGRAL part of our lives. You have ALREADY read about metal and non-metals in the CHAPTER of periodic classification of elements. You also know the criteria for classifying metals and non-metals which are basically based on electronic configuration of the elements. Apart from day-to-day life situations, metal and non-metal are industrially very important. They play an important role in our national economy. You might have heard about various iron and steel plants, zinc and copper plants and aluminium plants (factories) established in our country. Have you seen any one of these so fars?. There are basically metal based industries. Apart from these, you also must have heard acid plants and fertilizer factories. These are basically non-metal based industries. All these metals and non-metals are obtained from minerals. You are lucky that our mineral resources are very rich. You will study about all these in your HIGHER classes. In this Chapter we will discuss certain relevant properties of metal and non-metals which will be quite meaningful for you.

The ANSWER is B) FIRE can be PRODUCED with a MATCHSTICK .

The fan has a TENDENCY to continue its CIRCULAR MOTION EVEN after it is switched off due to the inertia of motion. Thus, the fan continues to move for some time even after SWITCHING it of

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Friction is the force resisting the relative motion of solid SURFACES, fluid layers, and material elements sliding against each other.The force which ALWAYS opposes the motion of one body over another body FRICTIONAL force. It acts between the two surfaces which are in contact with each other. ... Since frictional force arises when the surface of two OBJECTS are in TOUCH with each other ,therefore, frictional force is an example of contact

tion:Speed of car for first 30 minutes = 30 km h^{-1}h−1Speed of car for NEXT 1 hour = 40 km h^{-1}h−1(a) total distance travelled by the carFirst caseSpeed = distance / timedistance = speed x time= 30 x 0.5 ---- (30 MIN = 0.5 hour)= 15 km ---- (i)Second casespeed = 40 km h^{-1}h−1distance = 40 km x 1= 40 km ---- (II)ADDING (i) and (ii)Total distance = 15 km + 40 km= 55 km(b) total time of travel = 0.5 hr + 1.0 hr = 1.5 hr(c) average speed = total distance travelled/total time taken= 5.5 km/ 1.5 hr= 36.67 km h^{-1}h−1

[ENVIRONMENT is the natural WORLD, as a whole or in a PARTICULAR geographical AREA, especially as affected by human activity.]

Photosynthesis is a PROCESS used by PLANTS and other organisms to CONVERT light energy into CHEMICAL energy that, through cellular respiration, can later be RELEASED to fuel the organism's metabolic activities.

your answer... Precipitation is any liquid or frozen water that forms in the atmosphere and FALLS back to the Earth. It comes in many forms, like RAIN, sleet, and snow. ... Precipitation forms in the clouds when water vapor condenses into BIGGER and bigger droplets of water. When the drops are HEAVY enough, they fall to the Earth.Hope it will be helpful for you. Thanks for READING. Mark as brainliest.

Frequency is defined as the number of OSCILLATIONS PER SECOND. So, here it is GIVEN that the body oscillates 40 times in one second, therefore the frequency for oscillation is 40 Hz.

The instrument USED to CONTROL in an electric circuit is RHEOSTAT.

a WIDESPREAD occurrence of an infectious disease in a community at a PARTICULAR TIME

Infectious diseases are TRANSMITTED from person-to-person through the transfer of a pathogen such as bacteria, viruses, fungi or PARASITES. A non-infectious DISEASE cannot be transmitted through a pathogen and is caused by a VARIETY of other circumstantial FACTORS.

Cocoons are collected and kept under the sun, or BOILED, or exposed to steam. This helps in separating out the SILK FIBERS. The process by which silk thread is separated from the cocoon is called reeling the silk.2. Then, the spinning of silk fibers into THREADS is done.3. The silk threads obtained are woven into the desired clothes.ANSWER verified by Toppr4111 ViewsUpvote (27)This is my ANSWER to ur question

tion:All metals are GOOD conductors of HEAT and they are different in conducting the heat, which MEANS that some metals conduct the heat faster than the other, The heat makes US comfortable and HELPS us to prepare our food and it is an interesting form of energy.make me brilliant

डीसी मोटर मुख्य लेख: दिष्टधारा मोटर डीसी मोटरें वहाँ अधिक उपयोगी होती हैं जहाँ चाल-नियंत्रण (स्पीड कन्ट्रोल) बहुत महत्व रखता है। ...प्रेरण मोटर मुख्य लेख: प्रेरणी मोटर ...सिन्क्रोनस मोटर मुख्य लेख: तुल्यकालिक मोटर ...रैखिक मोटर मुख्य लेख: रैखिक मोटर ...स्टेपर मोटर मुख्य लेख: स्टेपर मोटर

you remember me béstie love you sis ♥the process by which green plants and some other ORGANISMS use SUNLIGHT to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants GENERALLY involves the green pigment CHLOROPHYLL and GENERATES oxygen as a by-product.

Tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea. Out in the depths of the ocean, tsunami waves do not dramatically INCREASE in height. But as the waves TRAVEL inland, they build up to higher and higher heights as the depth of the ocean decreases. The speed of tsunami waves depends on ocean depth rather than the distance from the source of the wave. Tsunami waves may travel as fast as jet planes over deep waters, only slowing down when reaching SHALLOW waters. While tsunamis are often referred to as TIDAL waves, this name is discouraged by oceanographers because tides have little to do with these giant waves.

Precipitation is any LIQUID or frozen water which forms in the atmosphere and falls back to the surface of the Earth. It COMES in MANY forms, such as rain, sleet, and snow, however, it all comes from the same general process.Explanation:OK..(^_^).Be happy and stay safe dear❤️Borahae❤️❤️

Vitamin D deficiency can lead to a LOSS of bone DENSITY. which can contribute to osteoporosis and fractures (broken BONES). Severe vitamin D deficiency can also lead to other diseases. In children, it can CAUSE rickets. Rickets is a rare disease that causes the bones to become soft and bend.Sunlight is rich in vitamin DIf this was helpfull,then mark as brainliest

tion:The BUILDING blocks of proteins are AMINO acids, which are small organic molecules that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a VARIABLE component called a SIDE chainMark me as Brainliest

tion:Bacteria are classified into five groups according to their basic shapes: spherical (cocci), rod (BACILLI), spiral (spirilla), comma (vibrios) or corkscrew (SPIROCHAETES). They can exist as single CELLS, in pairs, chains or CLUSTERS.

the energy flow in an ECOSYSTEM is one way, the flow of nutrients is cyclical. Known as bio-geo-chemical cycle, the cyclical flow of nutrients required for the organisms to grow are continuously transmitted from abiotic to biotic factors and biotic to abiotic factors within an ecosystem. This cycle functions continuously via a MEDIUM of the biosphere that is made up of the LITHOSPHERE, atmosphere and hydrosphere.

A virus is a submicroscopic INFECTIOUS agent that replicates only inside the living CELLS of an organism. Viruses INFECT all life forms, from ANIMALS and plants to microorganisms, INCLUDING bacteria and archaea.

iPathogenic microorganisms include fungi, oomycetes, bacteria and viruses. Some of these PATHOGENIC microorganisms will DECOMPOSE ROOT nodules, leaching nutrients from the plant, reducing the efficiency of nutrient uptake and mobilisation, and further leading to nutrient DEFICIENCY and STUNTED plant growth.

we can anticipate that MOSQUITOES breed in the dirty or polluted AREA where the dirty WATER GETS collected.So this THINGS should be removed.

I don't KNOW thisExplanation:i Don't know this ANSWER

tion:These are: 1) attachment; 2) penetration; 3) uncoating; 4) replication; 5) ASSEMBLY; 6)release. As shown in , the virus must first attach itself to the HOST cell. This is usually accomplished through special glycoprotiens on the exterior of the capsid, envelope or TAIL.

जब लोहे से बने सामान नमी वाली हवा में ऑक्सीजन से प्रतिक्रिया करते हैं तो लोहे पर एक भूरे रंग की परत यानी आयरन ऑक्साइड (IRON OXIDE) की जम जाती है. यह भूरे रंग की परत लोहे का ऑक्सीजन के साथ प्रतिक्रिया के कारण आयरन ऑक्साइड बनने से होता है, जिसे धातु का संक्षारण कहते या लोहे में जंग लगना कहते है.Explanation:PLEASE MARK me as a BRAINLIEST

How have urbanisation and industrialisation led to a large scale deforestation? 1) As the population grew, so did the requirement for building more SPACE to live in and THUS, more houses. For houses to be MADE land had to be made available by cutting forests. ... This led to industrialisation and urbanisation.Explanation:Drop some thanks...

global warming can be SIMPLE SAID  as change in the earth's   ATMOSPHERE DUE to HUMAN activities which affects the greenhouse hope it helps

It's important to SELECT a bulb which matches what your BATTERY can PUT out. ... Standard bulbs are designed to work with a voltage of around 120 V, ... Follow-Up #4: battery-powered CFL? Q:.

From the cotton bolls cotton is picked by hands. FIBRES are then separated from the seeds by COMBING. This process is called GINNING of cotton. It is DONE by HAND or by machines.

Fungi and bacteria play an IMPORTANT role in nature. They BREAK down the UNUSED dead material and turn them into NUTRIENTS in the soil, which plants use to grow. ... SCAVENGERS break down this organic material and recycle it into the ecosystem as nutrients

Mark me brainly, please.Explanation:PRECIPITATION is water released from clouds in the form of rain, FREEZING rain, SLEET, snow, or HAIL. It is the primary connection in the water cycle that provides for the delivery of atmospheric water to the Earth. Most precipitation FALLS as rain.

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you are very trubble but MAYBE I can help you. you can USE a week poor PERSON story.

aisi sister jo apne bhai se jalti h xdExplanation:.<>tion is any liquid or frozen water that forms in the atmosphere and FALLS BACK to the EARTH. It comes in MANY forms, like rain, SLEET, and snow. ... Precipitation forms in the clouds when water vapor condenses into bigger and bigger droplets of water. When the drops are heavy enough, they fall to the EarthXXmr.timepaasX03