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Mohammed Aslam 8 years, 2 months ago
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Varun Banda 8 years, 2 months ago
Pitch is a perceptual property of sounds that allows their ordering on a frequency-related scale, or more commonly, pitch is the quality that makes it possible to judge sounds as "higher" and "lower" in the sense associated with musical melodies.
Posted by Saksham Sawarna 4 years, 7 months ago
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Sia ? 4 years, 7 months ago
Electric current is due to the flow of electrons from the negative terminal to the positive terminal. While conventional current is due to the flow of positive charges or holes from the positive terminal to the negative terminal. The directions of the arrow in the circuit diagram are taken in the direction of the conventional current.
Posted by Saksham Sawarna 8 years, 2 months ago
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Posted by Rohit Kumar 8 years, 2 months ago
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Varun Banda 8 years, 2 months ago
Bacteria is member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some which can cause disease.
Posted by Devang Chauhan 8 years, 2 months ago
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Varun Banda 8 years, 2 months ago
Atlantis is a fictional island mentioned within an allegory on the hubris of nations in Plato's works Timaeus and Critias, where it represents the antagonist naval power that besieges "Ancient Athens",
Posted by Ashish Tiwari 8 years, 2 months ago
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Nikhil Kumar 8 years, 2 months ago
Varun Banda 8 years, 2 months ago
There are 46 chromosomes in a cell.44 are autosomes and 2 are *** chromosomes
Posted by Ashish Tiwari 8 years, 2 months ago
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Posted by Lovejot Singh Singh 8 years, 2 months ago
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Varun Banda 8 years, 2 months ago
The cell nucleus is a membrane bound structure that contains the cell's hereditary information and controls the cell's growth and reproduction. It is the command center of a eukaryotic cell and is commonly the most prominent organelle in a cell.
Posted by Shruti Gupta 8 years, 2 months ago
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Lovejot Singh Singh 8 years, 2 months ago
Posted by Naveen Gola 8 years, 2 months ago
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Varun Banda 8 years, 2 months ago
The core of the sun is so hot and there is so much pressure, nuclear fusion takes place: hydrogen is changed to helium. Nuclear fusion creates heat and photons (light). The sun's surface is about 6,000 Kelvin, which is 10,340 degrees Fahrenheit (5,726 degrees Celsius.
Posted by Geetha Maliya 8 years, 2 months ago
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Varun Banda 8 years, 2 months ago
The process by which cells and simple organisms maintain fluid and electrolyte balance with their surroundings is called osmoregulation.
Posted by Kajal Dhurve 8 years, 2 months ago
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Varun Banda 8 years, 2 months ago
The metal objects are usually electroplated with chromium, .
Posted by Ramadass Ramadass 8 years, 2 months ago
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Posted by Ansh Uppal 8 years, 2 months ago
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Varun Banda 8 years, 2 months ago
The Outer Ear
The outer ear includes:
Auricle (cartilage covered by skin placed on opposite sides of the head).
Auditory canal (also called the ear canal).
.Eardrum outer layer (also called the tympanic membrane).
The outer part of the ear collects sound. Sound travels through the auricle and the auditory canal, a short tube that ends at the eardrum.
The Middle Ear The middle ear includes:
Eardrum cavity (also called the tympanic cavity) .
Ossicles (3 tiny bones that are attached)
Malleus (or hammer) – long handle attached to the eardrum .
Incus (or anvil) – the bridge bone between the malleus and the stapes stapes (or stirrup) – the footplate; the smallest bone in the body.
The Inner Ear The inner ear includes:
Oval window – connects the middle ear with the inner ear Semicircular ducts – filled with fluid; attached to cochlea and nerves; send information on balance and head position to the brain .
Cochlea – spiral-shaped organ of hearing; transforms sound into signals that get sent to the brain auditory tube – drains fluid from the middle ear into the throat behind the nose
Varun Banda 8 years, 2 months ago
The sound waves travel from the outer ear and in through the auditory canal, causing the eardrum, or tympanic membrane, to vibrate. This, in turn, causes the three small bones, known as the ossicles, or the hammer, the anvil and the stirrup, in the middle ear to move. The vibrations move via the oval window through the fluid in the cochlea in the inner ear, stimulating thousands of tiny hair cells. This results in the transformation of the vibrations into electrical impulses finally perceived by the brain as sound.
The ear consists of many small parts, but can be divided into three major parts:
- <a href="https://www.hear-it.org/The-outer-ear">The outer ear</a>
- <a href="https://www.hear-it.org/The-middle-ear-1">The middle ear</a>
- <a href="http://whttps//www.hear-it.org/The-inner-ear-1">The inner ear</a>
Posted by Vinay Yadav 8 years, 2 months ago
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Sia ? 4 years, 7 months ago
Force is a kind of push or pull, resulting from the interaction of two bodies, that can cause the object to accelerate. Pressure is force extended over ab area, acted upon something, in the direction perpendicular to its surface.
Posted by Priyanshu Raj 8 years, 2 months ago
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Posted by Oshika Sahu 8 years, 2 months ago
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Varun Banda 8 years, 2 months ago
The frictional force exerted by a fluid is called drag. Drag is a kind of frictional force exerted by fluid which opposes the motion of an object through that fluid.Drag force acts in direction opposite to the direction of motion of the object.
Posted by Oshika Sahu 8 years, 2 months ago
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Varun Banda 8 years, 2 months ago
ITS SPEED WILL GRADUALLY DECREASE AS THE AIR PRESENT IN THE ATMOSPHERE WILL APPLY FRICTIONAL FORCE ON THE MOTION OF THE BALL.
Posted by Shivam Singh 8 years, 2 months ago
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Varun Banda 8 years, 2 months ago
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms
Posted by Srishti Khatri 8 years, 2 months ago
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Yash Sharma 8 years, 2 months ago
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