Blood is essential for good health because the body depends on a steady supply of fuel and oxygen to reach its billions of cells. Even the heart couldn't survive without blood flowing through the vessels that bring nourishment to its muscular walls.
Expenses including those for linen service, ice, and paper goods might fluctuate depending on demand. Other variables are constants. No change occurs to it. This is further explained below.
<h3>What is Susie's operation?</h3>
Generally, Fixed expenditures, in contrast to the more unpredictable variable costs like advertising, happen regularly at the same time each year regardless of fluctuations in revenue or other variables. It doesn't get the performance bus.
Here, we are given with table.

In conclusion,
- Linen rental, ice, and Paper Products are Variable expenses because it is based on requirement
- Others are fixed by other factors. it's not affected
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Infrared contains the least energy and ultraviolet contains the most energy. The energy of a wave is inversely proportional to its
Answer:
The minimum thickness of the oil is 77.55 nm
Explanation:
Given:
Refractive index of oil 
Refractive index of water 
Wavelength of light
m
From the equation of thin film interference,
The minimum thickness is given by,

Where
,
thickness
Here we have to find minimum thickness so we use



m
nm
Therefore, the minimum thickness of the oil is 77.55 nm