The word that best describes the tone of the excerpt is : ( C ) Methodical
<h3>What is methodical procedure ?</h3>
Methodical procedure describes the sequential procedure in which a system of actions is been followed usually computer systems or other forms as seen in the excerpt.
Hence we can conclude that the word that best describes the tone of the excerpt is methodical.
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<u>Attached below is the missing excerpt </u>
<em>I knew I could never let Mom hear the messages, because protecting her is one of my most important raisons d’être, so what I did was I took Dad’s emergency money from on top of his dresser, and I went to the Radio Shack on Amsterdam. It was on a TV there that I saw that the first building had fallen. I bought the exact same phone and ran home and recorded our greeting from the first phone onto it. I wrapped up the old phone in the scarf that Grandma was never able to finish because of my privacy, and I put that in a grocery bag, and I put that in a box, and I put that in another box, and I put that under a bunch of stuff in my closet, like my jewelry workbench and albums of foreign currencies. </em>
The given option that has molecules that are solid at room temperature is; D: Saturated Fats
<h3>Molecules at room temperature </h3>
Fatty acids are organic compounds that are poorly soluble in water but soluble in organic solvents.
The two main types of fatty acids are Saturated fatty acids and Unsaturated fatty acid.
Saturated fatty acids contains no double bond in their carbon chains and as such they are solids at room temperature.
Meanwhile, Unsaturated fatty acids contains double bonds in their carbon chains and are thus liquids at room temperature.
The missing options are;
A) Both saturated and unsaturated fats
B) Cholesterol
C) Saturated fats
D) Unsaturated fats
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These are the Spanish sentences related to going to the mechanic:
- Desde hace una semana que la bocina del auto no funciona.
- Hace dos días que se pinchó la rueda del auto.
- Desde hace un mes se rompió la batería y el auto no funciona.
This is an exercise about Spanish vocabulary related to cars. To complete the sentences, it is important to pay attention to the vocabulary used when you talk about cars.
There are some key words you can learn:
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Answer:
The additional words is 
Explanation:
Given
Required
Determine the additional words; i.e. 
From the given parameters, we have that;
B is a function of n
Such that;
To calculate 
, we simply substitute n + 1 for n
Applying laws of indices
Calculating Additional Binary Code;
Substitute values for B(n + 1) and B(n)
Express as 
Express 1 as 
Factorize
Hence, the additional words is
