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Floating a needle on water
Thoroughly dry a steel needle. Place it on the tines of a dinner fork and gently smash the surface of the water in a dish with the fork. If you are careful the needle will float as you take the fork away. Look at the water surface closely. Can you see how the surface film seems to curve under the weight of the needle ?
what animal is in platyhelminthes
Normally,on flat surfaces,heavier objects don''t travel as far as lighter objects when pushed with the same force.how would I explain why its different?
Question: a) How does temperature changes in the stratosphere? Give a physical explanation and illustrate your answer using a diagram. b) Write a short note on ozone in the
Rancidity:- Formation of aldehyde due to oxidation of unsaturated glycerides.
Explain the Complex Cells - Primary Visual Cortex They are sensitive to both orientation and movement. For example, a line or edge with a particular tilt might stimulate a comp
Digital X-Ray, Inc., has introduced a new line of equipment that may revolutionize the medical profession. Because of the new technology involved, potential users of the equipment
Explain Fate of the Neurotransmitter Postsynaptic membranes bind the neurotransmitters by an active process. The chemicals keep moving in and out of the membrane. The synapse t
would quartzite or sandstone break more easily. please explain
the place of guidance and counselling in fostering stable growth and development in teaching and learning situation
how can color help
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