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Yogita Ingle 5 years, 8 months ago
A scientific name for a fart is flatus or flatulence. A flatus or fart is a combination of gases (nitrogen, carbon dioxide, oxygen, methane, and hydrogen sulfide) that travels from a person's stomach to their ****. When a person swallows too much air or eats foods that the human digestive system cannot digest easily, gas becomes trapped in his/her stomach. The bacteria living in our guts also adds to the gas. The only way for this excess gas to exit the body is through the ****. The gas that makes flatus or fart stink is the hydrogen sulfide gas.
Posted by Pooja Kumari ?????? 5 years, 8 months ago
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Yogita Ingle 5 years, 8 months ago
Pure tungsten has some amazing properties including the highest melting point (3695 K), lowest vapor pressure, and greatest tensile strength out of all the metals.Because of these properties it is the most commonly used material for light bulb filaments.
Lucifer? Morningstar ? 5 years, 8 months ago
Posted by Pooja Kumari ?????? 5 years, 8 months ago
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Arvind Yadav 5 years, 8 months ago
Arvind Yadav 5 years, 8 months ago
Posted by Pooja Kumari ?????? 5 years, 8 months ago
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Yogita Ingle 5 years, 8 months ago
When an electron moves in a conductor, it does not have a free path. It is constantly deflected by the atoms in the conductor. Moreover they are not stationary. They vibrate due to thermal energy imparted upon them. Hence these atoms (or immobile positive ions) resist the movement of the electron. This is called electrical resistance.
At a particular (low) temperature, this vibration ceases and electrons are given a free path. This is called superconductivity.
Posted by Pooja Kumari ?????? 5 years, 8 months ago
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Yogita Ingle 5 years, 8 months ago
the maximum resistance can be found by adding all the resistance that is placing them in series
so Rs=R1+R2+R3=2+3+5=10ohm
minimum effective resistance is obtained if we make parallel combinations
so 1/Rp=1/R1+1/R2+1/R3=1/2+1/3+1/5=6/5
so Rp=5/6=0.83ohm
now if we can keep two of the larger resistors in parallel and the smaller in series
1/Rp=1/R2+1/R3=1/3+1/5=16/30
so Rp=30/16=1.875ohm
now in series
Rs=R1+1.875 ohm =2+1.875=3.875 ohm
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Photolytic decomposition reactions are those which require the presence of light. Since the analysis of a compound takes place using light energy or in other words photons therefore such reactions are called photolytic reactions.
Example: The decomposition of silver chloride into silver and chlorine is caused by light energy.
2AgCl → 2Ag + Cl2
Arjun Kashyap 5 years, 8 months ago
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When the milk is left at room temperature during summer season the oxidation reaction occurs and the growth of microorganisms occur due to which it gets sour.
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Yogita Ingle 5 years, 8 months ago
The process by which green plants prepare food is called photosynthesis. During this process; the solar energy is converted into chemical energy and carbohydrates are formed. Green leaves are the main sites of photosynthesis. The green portion of the plant contains a pigment chloroplast; which contains chlorophyll.
... ... 5 years, 8 months ago
Posted by Arjun Kashyap 5 years, 8 months ago
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Yogita Ingle 5 years, 8 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.
Posted by Anil Rupanawar 5 years, 8 months ago
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Yogita Ingle 5 years, 8 months ago
| Autotrophs | Heterotrophs |
| Autotrophs are organisms that prepare their own food. | Heterotrophs depend upon other organisms for nutrition. |
| These are known as the producers and include green plants, algae and a few photosynthetic bacteria. | These are the consumers and include cows, buffaloes, tigers, horses, etc. |
| These can be classified as photoautotrophs and chemoautotrophs. | These can be classified as photoheterotrophs and chemoheterotrophs. |
| The chloroplast helps in preparing food. | They do not contain chloroplast so cannot prepare food. |
| They obtain energy from inorganic sources by converting light energy into chemical energy. | They obtain energy directly or indirectly from other organisms. |
| Autotrophs can store light energy and chemical energy. | Heterotrophs cannot store energy. |
| They are placed at the primary level in the food chain. | These are placed in secondary or tertiary level in the food chain. |
| These can move from one place to another in search of food and shelter. | They cannot move from their place. |
Posted by Jatin Chugh 5 years, 8 months ago
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Arjun Kashyap 5 years, 8 months ago
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