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hope it will help youmark as brainliestExplanation:Lustre or luster is the way light interacts with the surface of a crystal, rock, or mineral. The word traces its origins back to the LATIN lux, meaning "light", and generally implies radiance, gloss, or BRILLIANCE. A range of terms are USED to describe lustre, such as earthy, metallic, greasy, and silky.Classification of material on the basis of their appearanceThose MATERIALS which have SHINY appearance are said to have lustre. Some metals like iron, copper ,aluminium often lose their shine and appear dull due to the action of air and moisture on their surface.

are CHILDREN we have 300 BONES after BECOMING an adult we have 206

A VIRTUAL image of an OBJECT is formed by a CONVEX lens only when the object is PLACED between the lens and the focus. Therefore the focal length of the lens should be greater than the distance of the object from the lens. Was this ANSWER helpful?

Ans1 BIODIVERSITY should be conserved because it provides certain services and RESOURCES that are essential for life on earth. It also provides SOCIAL benefits. Some points of views:i) Increase ecosystem productivityii) Support a large no. of plant speciesiii) Protect freshwater resourcesiv) Promotes soil formation and protectionAns2 Recycling paper helps to reduce greenhouse effect that can contribute to climate change. It takes 70% less energy and water to recycle paper than to create new paper from TREES. Ans3 Consequences of deforestationi) Increase in temperature and global warmingii) increase in populationiii) Soil erosioniv) Loss of habitat and wild animalsv) Shortage of food and forest producevi) LEADS to natural calamities like floods and droughtvii) Disruption of water cyclePoints to save our forest wealth: i) Afforestation over deforestation aresii) Control on mining activitiesiii) Proper Management of permanent pasture and grazingiv) Proper discharge and disposal of effluents after treatment

Option d is the answer. EXPLANATION:BASICALLY all the options (except c) are correct. SOUND requires a MEDIUM but Light doesn't require a medium.

tion:Nutrition is the process of taking in food and converting it into energy and other vital nutrients REQUIRED for life.” Nutrients are the substances which provide energy and biomolecules necessary for carrying out the various BODY FUNCTIONS. All living organisms NEED nutrients for PROPER functioning and growth.stay safe✌Hit the❤

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with EQUAL forcedue ACTION REACTION which is NEWTON 3rd lae

tion:Asexual reproduction INVOLVES one parent and produces OFFSPRING that are genetically identical to each other and to the parent. Sexual reproduction involves TWO PARENTS and produces offspring that are genetically unique.stay safe✌Hit the❤

an propagate through a medium such as AIR, water and solids as LONGITUDINAL waves and ALSO as a transverse wave in solids (see Longitudinal and transverse waves, below). The sound waves are GENERATED by a sound source, such as the VIBRATING diaphragm of a stereo speaker.

it's CENTRE of CURVATURE

Date-28/1/2021page no-BLA bla

Habitats include small ponds and SHALLOW AREAS of lakes and rivers. Sacred LOTUS is NATIVE to southern and eastern areas of ASIA.

prepared and used according to manufacturer's instructions. A SAMPLE (50 µL) or control (50 µL) will be injected in MICE gastrocnemic muscle ...

Both have HIGH MELTING POINT it's RIGHT answer.Explanation:HopeithelpU

magnets are very widely used in ELECTRIC and ELECTROMECHANICAL devices, including:Motors and generators.Transformers.Pickups.Relays.Electric bells and buzzers.Loudspeakers and headphones.Actuators such as valves.Magnetic recording and DATA storage equipment: tape recorders, VCRS, HARD disks.

The climate of India comprises a wide range of WEATHER conditions across a vast geographic scale and varied topography, making generalizations DIFFICULT. Climate in South India is generally hotter and extremely humid than North India. South India gets more humid due to nearby coasts. Southern half of the nation don't experience temperatures below 10 °C (50 °F) in winter, and the temperature usually tends to exceed 40 °C (104 °F) during summer. Based on the Köppen system, India hosts six major climatic sub types, ranging from arid deserts in the west, alpine tundra and glaciers in the north, and humid tropical regions supporting rain forests in the southwest and the island territories. Many regions have STARKLY different microclimates, making it one of the most climatically diverse countries in the world. The country's meteorological department follows the international standard of four seasons with some local adjustments: winter (January and February), summer (MARCH, April and May), monsoon (rainy) SEASON (June to September), and a post-mons

ion is the bending of light when it goes from one medium to another so, when a RAY of light passes through a glass PRISM, REFRACTION of light occurs both, when it enters the prism as well as when it leaves the prism. In this CASE the ray of light is DEVIATED on passing through the prism

An earthquake is the result of a sudden release of stored energy in the Earth's crust that creates seismic waves.Earthquakes are accordingly measured with a seismometer, commonly known as a seismograph.The magnitude of an earthquake is CONVENTIONALLY reported using the Richter scale or a related Moment scale (with magnitude 3 or lower earthquakes being hard to notice and magnitude 7 causing serious damage over large areas).At the Earth's surface, earthquakes may manifest themselves by a shaking or displacement of the ground.Sometimes, they CAUSE tsunamis, which may lead to loss of life and destruction of property.An earthquake is caused by tectonic plates getting STUCK and putting a strain on the ground.The strain becomes so great that rocks give way by breaking and sliding along fault planes.Earthquakes may occur naturally or as a result of HUMAN activities.Smaller earthquakes can also be caused by volcanic activity, landslides, mine blasts, and nuclear experiments.In its most generic sense, the word earthquake is used to describe any seismic event—whether a natural phenomenon or an event caused by humans—that generates seismic waves.Most naturally occurring earthquakes are related to the tectonic nature of the Earth.Such earthquakes are called tectonic earthquakes.The Earth's lithosphere is a patchwork of plates in slow but constant MOTION caused by the release to space of the heat in the Earth's mantle and core.

1/u + 1/v = 1/f REPRESENTS the LENS FORMULA

it is not a QUESTIONEXPLANATION:

The PROTEIN PRESENT in MUSCLES is myofibrillar PROTEINS. The protein present in BONES is collagenExplanation:

iron across its POLE MAY it HELP for US

tion:ATOMIC radii are measured in TERMS of angstrom (Å ). Anothet UNIT used for this purpose is nanometer which is equal to 1.0 × 10^- 9 m

please Mark me as brainliestExplanation:Besides his work on universal GRAVITATION (gravity), Newton developed the three laws of MOTION which form the basic PRINCIPLES of modern physics. His discovery of calculus led the way to more powerful METHODS of solving mathematical PROBLEMS.

above 690 /720 our above 89%

The TINY openings on the down SIDE of the leaf is stomata.It HELPS in intake of gases and RELEASE them.it helps in transpiration

lar battery: SOLAR energy into electric energy. (III) DYNAMO: Mechanical energy into electric energy. (iv) Steam engine: Heat energy to mechanical energy. (v) Hydroelectric power STATION: Mechanical energy into electric energy.plz mark as brainliest

The RINGING BICYCLE BELL does not PRODUCE sound when it is held tightly with hand because the vibrations are stopped and so the sound production stops.

hey!Explanation:Living things can be found in every type of habitat on Earth—on land and in LAKES, rivers, and oceans. Although all these organisms are very different from one another, they all have two things in COMMON: they are all descended from a SINGLE ancient ancestor, and they are all alive. plz MARK as brainliest

Adolescence in boysAdolescence is a time for growth spurts and puberty changes. A TEENAGER may grow several inches in several MONTHS followed by a period of very slow growth. Then they may have another growth spurt.Adolescence in girlsThe teenage years are also called adolescence. During this time, TEENS will SEE the greatest amount of growth in HEIGHT and weight. ... Some teens may have these signs of maturity sooner or later than others. And being smaller or bigger than other girls is normal. Each child goes through puberty at their own pace.

It is DISTINCTLY NONMETALLIC in NATURE

Most dessert plants have LONG and DEEP roots. Hope this may HELP U