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l is not attracted towards a MAGNET. It you touch something withhand, like MOIST sand, some particles are ATTACHED to your HAND. That doesn't mean your hand attract them. Similarly magnet doesn't attract coal.

....B) FALSE....C) false...d) TRUE...!

oration. ..B)CONDENSATION. ...C)drought. ....d) FLOODS ...!

like burning of paper or plucking of leaves cannot be reversed (we cannot MAKE paper from its ASHES / we cannot join a plucked leaf BACK to the PLANT)and hence known as irr-reversible change (chemical change).CHANGES like changing of ice into water or changing of water into vapour can reversed (by codensation and evaporation process) and hence are known as reversible change (physical change).

eristic of a naphthalene BALL...Sublime in nature means solid state is directly convt into GASEOUS state.It has characteristic aroma or smell.It is used in many PLACES to KEEP insects away..

bottle CONTAINS COLD water its outer surface is cold. The air AROUND us contains watervapour. When the cold surface of the bottle meets with the water vapour it condenses and SMALL drops of water appear on the surface of the bottle and after some TIME water collects around it and we can notice a puddle around it .

s, we need to take following steps:Tie the BAR MAGNET with a string and SUSPEND it with a horizontal support.Allow the magnet to come to rest.Mark the END which points to the NORTH, as north pole.Repeat the above two steps to confirm.

, stem , LEAVES, flower , fruit.b)ROOT hairs are tiny outgrowth from the root which help in absorption of water .C)Bud is immature shoot , it is present in the AXILE of LEAF known as axillary bud.d)Leaf apex is the tip of leaf.

ball, paper, thermacol, CORK, bamboo stick, plastc bottle, BLOWED BALLOON, boats, HAIR etc are not sink both OIL and kerosene

:DNatural FIBRES are wool,COTTON,juteArtifical fibres are NYLON,SILK, polysterHope this helps

poles of magnets are always repels each OTHER2. it ATTRACTS the OBJECTS which contains magnet in it (even in a small amount) like IRON etc

measure speed of BUTTERFLIES ...there are certain highspeed camera TYPE intruments for measurement of speed of things in irregular motion....i saw on t.v a wildlife photographer did it...avearge speed is calculated by the displacement covered by it...and not the distance....and NEW technologies are to MAKE 3D images of the path of butterfly which is afterwards calculated...

do that be PASSING ELECTRICITY through it  with COILED WIRE AROUND it.........

n TIMES they weighted the ELEPHANTS by their footprints depth on the soil. Not only their WEIGHT but also their HEIGHT and size.

) Primary root(b) Secondary roots(c)Root CAP(d)Root hairB(a) Main stem(b)Secondary stem(c)Node(d)Inter nodeCNodeD(a)The blade(b)VEINS(c)Midrib(d)Margin(e)PetioleEstipuleF(a)STIGMA(b)Style(c)Anther(d)Pistil(e)Ovary(f)Petal(G)STAMEN(h)Filament

orks have SETTLING tank to remove the FLOATING, undissolved substances. After removing the larger substances from the water, it can be SENT for further treatment.

which can be made from wood are CRICKET bats , HOCKEY STICKS, CHAIR , Table , doors.

BULB WILL NOT GLOW BECAUSE ERASER IS AN INSULATOR (NON-CONDUCTOR) OF ELECTRICITY AND HENCE IT WILL NOT ALLOW ELECTRICITY TO PASS THROUGH IT.

ection of MOVEMENT of the MATERIALS will be reversed. And the poles WOULD be interchanged too.

roethylene MATERIAL is USED for dry-cleaning CLOTHES

bsolutely we can recognise LEAVES without SEEING it by roots of the PLANT. If you see a plant having tap ROOT system then for sure the LEAF has reticulat venation but whereas if you find a plant having fibrous root then its leaves will be Parallel venation .

re animals, living in grassland has to protect themselves from the carnivores. Since there is very less trees and places to hide, the only way to protect themselves is to run. UNLESS they are faster than the PREDATORS, they won't be ABLE to survive. And for carnivores to survive, they have to HUNT other animals. unless they are fast ENOUGH to catch the preys, they won't be able to survive in grasslands

Even we are the responsible to disposal the GARBAGE because we are the one who throw garbage EVERWHERE...! 2) Yes , it is possible by RECYCLING the garbage ! We can recycle or reuse the garbage if NECESSARY !

, B)true, C)FALSE, D)false, E)true, F)true, G)true!

B.falseC.false

d SHAPED - basket ball and globeother shaped - WATER, orange, sugar, APPLE, and EARTHEN pitcher(b) EATABLES - Water, orange, sugar and apple.non-eatables - basket ball, globe and earthen pitcher

rogen-78.08% Oxygen-20.95% Argon-0.93% Carbon dioxide-0.038% Krypton-0.0001% Helium-0.0005% Hydrogen-0.00005% Neon-0.0018% Xenon-0.000009% (ii)Carbon dioxide is used by the plants to make their food by the process of photosynthesis whereby the green plants make their own food with the help of water, sunlight and carbon dioxide and give out oxygen which is used for the process of respiration by ANIMALS. (iii)Nitrogen fixation is a chemical process in which ATMOSPHERIC nitrogen is assimilated into organic compounds in LIVING organisms and in nitrogen cycle. (iv)Plants designed 10 years or before or by lowly equipped designs are sure cases for detailed study. For prevention generous use of scrubbers & filters will be necessary. It is said that a ROUTINE check will reduce 10%, a minor modification will reduce 15-20% and a thorough overhauling of the system will reduce more than 30% of power consumption and pollution creation. (v)ACIDIFICATION Eutrophication Ground-level ozone Particulate matter (vi)An observatory is a location used for observing terrestrial or celestial events. Astronomy, climatology/meteorology, geology, oceanography and volcanology are examples of disciplines for which observatories have been constructed.