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Meghna Thapar 5 years, 10 months ago
Pitch is the physiological sensation which helps in distinguishing a shrill sound from a flat sound.
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The bulbourethral glands are part of the male reproductive system. They may also be referred to as the Cowper's glands .The paired bulbourethral glands are roughly the size of a pea and are located in the deep perineal pouch. They are at the base of the ***** and are lateral (to the side) and posterior to (behind) the urethra, which is the tube through which semen and urine exit the body.
Posted by Bptilani Bptilani 6 years, 11 months ago
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Gaurav Seth 6 years, 11 months ago
The metallic body of electric appliances is connected to the earth wire so that any leakage of electric current is transferred to the ground. This prevents severe electric shock to the user. That is why earthing of the electrical appliances is necessary.
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Yogita Ingle 6 years, 11 months ago
- The process of supplying water to crop plants in fields through canals, wells, reservoirs, tube wells etc. is known as irrigation.
- Wells, tube wells, ponds, lakes, dams, rivers and canals are some of the sources of irrigation.
- Irrigation is the supply of water to crop at regular intervals of time.The frequency of irrigation varies from season to season and crop to crop.
- Irrigation methods include traditional methods and modern methods.
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Meghna Thapar 5 years, 6 months ago
When you heat something, you add energy to it. This causes the particles to move faster and farther apart. Heating solids turns them into liquids. Turning a solid into a liquid is called melting. Take a metallic ball and ring. The diameters of the ring and the ball are such that ball is just able to pass through the ring at the room temperature. Now heat the ball and try to pass the ball through the ring. It does not pass through the ring as shown in the figure (b). This clearly shows that on heating the diameter of the ball has increased i.e., the solid has expanded. Now cool the ball to room temperature. After cooling it is found that ball passes through the ring which clearly shows that diameter of the ball has decreased, i.e., the solid contracts on cooling.
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A tsunami is a series of ocean waves caused by a sudden displacement of water. Tsunamis are most often caused by earthquakes, but they can also be caused by other events, such as volcanic eruptions and meteorites.
The word <i>tsunami</i> is made up of the two Japanese characters <i>tsu,</i> which means “harbor,” and <i>nami,</i> which means “wave.” So, in Japanese, <i>tsunami </i>means “harbor wave.”
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The human brain can be divided into three main parts: the forebrain, midbrain, and hindbrain
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Meghna Thapar 5 years, 10 months ago
Trees should be planted along the roads and around buildings to reduce the noise pollution as they absorb sound.
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As the Moon orbits around the Earth, the half of the Moon that faces the Sun will be lit up. The different shapes of the lit portion of the Moon that can be seen from Earth are known as phases of the Moon. Each phase repeats itself every 29.5 days.
The same half of the Moon always faces the Earth, because of tidal locking. So the phases will always occur over the same half of the Moon's surface.
A phase is an angle of the moon to the earth so it appears differently every day.
The moon goes through 8 major phases.
A new moon is when the Moon cannot be seen because we are looking at the unlit half of the Moon. The new moon phase occurs when the Moon is directly between the Earth and Sun. A solar eclipse can only happen at new moon.
A waxing crescent moon is when the Moon looks like crescent and the crescent increases ("waxes") in size from one day to the next. This phase is usually only seen in the west.
The first quarter moon (or a half moon) is when half of the lit portion of the Moon is visible after the waxing crescent phase. It comes a week after new moon.
A waxing gibbous moon occurs when more than half of the lit portion of the Moon can be seen and the shape increases ("waxes") in size from one day to the next. The waxing gibbous phase occurs between the first quarter and full moon phases.
A full moon is when we can see the entire lit portion of the Moon. The full moon phase occurs when the Moon is on the opposite side of the Earth from the Sun, called opposition. A lunar eclipse can only happen at full moon.
A waning gibbous moon occurs when more than half of the lit portion of the Moon can be seen and the shape decreases ("wanes") in size from one day to the next. The waning gibbous phase occurs between the full moon and third quarter phases.
The last quarter moon (or a half moon) is when half of the lit portion of the Moon is visible after the waning gibbous phase.
A waning crescent moon is when the Moon looks like the crescent and the crescent decreases ("wanes") in size from one day to the next.
An old moon is a moon with only a tiny bit of it seen in the corner, about to turn into a new moon.
A second full moon in one calendar month is usually called a "blue moon" and this occurs approximately every 3 years. The idiom "Once in a blue moon" refers to something that does not happen often (like a blue moon)
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Shubhanshu Kumar 6 years, 11 months ago
1Thank You