Answer:
The ocean holds about 97 percent of the Earth's water; the remaining three percent is found in glaciers and ice, below the ground, in rivers and lakes. Of the world's total water supply of about 332 million cubic miles of water, about 97 percent is found in the ocean.
wait..if you asking about the country it's Brazil✌️
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Ka (mol/L ) = <span>0.00002340</span>
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Answer:
The average velocity of the airplane for this trip is 1684.21 km/h
Explanation:
Average velocity is the rate of change of displacement with time. That is,
Average velocity =
= Δx / Δt = ![\frac{x2 - x1}{t2 - t1}](https://tex.z-dn.net/?f=%5Cfrac%7Bx2%20-%20x1%7D%7Bt2%20-%20t1%7D)
Now we will calculate the time taken by the airplane for the first motion before it encounters a wind.
From,
Velocity = ![\frac{Distance traveled}{Time taken}](https://tex.z-dn.net/?f=%5Cfrac%7BDistance%20traveled%7D%7BTime%20taken%7D)
Time = ![\frac{Distance traveled}{Velocity}](https://tex.z-dn.net/?f=%5Cfrac%7BDistance%20traveled%7D%7BVelocity%7D)
Therefore, Time = ![\frac{2100km }{1000km/h}](https://tex.z-dn.net/?f=%5Cfrac%7B2100km%20%7D%7B1000km%2Fh%7D)
Time = 2.1h
This is the time taken before the airplane encounters a wind.
Hence, t1 = 2.1h
Now, For the time taken by the airplane when it encounters a wind
Also from,
Velocity = ![\frac{Distance traveled}{Time taken}](https://tex.z-dn.net/?f=%5Cfrac%7BDistance%20traveled%7D%7BTime%20taken%7D)
Time = ![\frac{Distance traveled}{Velocity}](https://tex.z-dn.net/?f=%5Cfrac%7BDistance%20traveled%7D%7BVelocity%7D)
Therefore, Time = ![\frac{1300km }{800km/h}](https://tex.z-dn.net/?f=%5Cfrac%7B1300km%20%7D%7B800km%2Fh%7D)
Time = 1.625h
Hence, t2 = 1.625h
Now, to calculate the average velocity
Average velocity = ![\frac{x2 - x1}{t2 - t1}](https://tex.z-dn.net/?f=%5Cfrac%7Bx2%20-%20x1%7D%7Bt2%20-%20t1%7D)
x1= 2100, x2= 1300, t1= 2.1h and t2= 1.625h
Hence, Average velocity = ![\frac{1300 - 2100}{1.625 - 2.1}](https://tex.z-dn.net/?f=%5Cfrac%7B1300%20-%202100%7D%7B1.625%20-%202.1%7D)
Average velocity = 1684.21 km/h
The temperature , <u>165 degree F</u> should soup that contains cooked beef be reheated for hot-holding.
Food should reach a temperature serving 135°F before it can be opened in the restaurant and warmed for hot holding. Within two hours, quickly reheat the food. If food is being served right away, it can be served anywhere at temperature as long that it as it was cooked and chilled appropriately.
TCS food must be totally chilled to 41°F or even below in 6 hours after being thoroughly cooled between 135°F to 70°F in 2 hours. Within four hours, TCS food made with ingredients at room temperature needs to be chilled to 41°F or lower.
Therefore, the temperature , <u>165 degree F</u> should soup that contains cooked beef be reheated for hot-holding.
To know more about temperature
brainly.com/question/24264586
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