Answer:
option A is the correct answer
The various contributions involved till the chapati is made is given below.
<h3>What is food?</h3>
The substance that we intake for the body to charge up by giving nutrients is called the food.
Wheat is a staple food. We make chapati from flour obtained from the wheat grains.
The various contributions involved till the chapati is made is given below.
Take required amount of atta in a container
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Add water accordingly to form a dough
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Apply oil to make dough smooth for long time
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Take small dough, make it a ball shaped and apply dry flour
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Roll it using rolling pin on the chapati maker plate
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After making it circular or any shape you want, place it on hot tawa
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Bake it on both the sides
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Chapati is ready
Thus, the flow chart is made.
Learn more about food.
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The Earth is a sphere is a statement to describe a scientific law
Answer:
The answer is Mechanical Energy
Explanation:
It is given that,
The thinnest soap film appears black when illuminated with light with a wavelength of 535 nm, 
Refractive index, 
We need to find the thickness of soap film. The soap film appear black means there is an destructive interference. The condition for destructive interference is given by :

t = thickness of film
m = 0,1,2....
= refractive index


For thinnest thickness, m = 1


Hence, this is the required solution.