Answer:
Molecules are held together by shared electron pairs, or otherwise known as covalent bonds.
Explanation:
Using the together rate, it is found that they would have finished the task in 8 days working together.
<h3>What is the together rate?</h3>
It is the sum of each separate rate.
In this problem, the rates are given as follows:
- Greg works four times as slower as Reid, that is, one security audit takes 40 days, hence his rate is of 1/40.
Then, the together rate is given by:


5x = 40
x = 8
They would have finished the task in 8 days working together.
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The ranking of the mixtures according to the level of transparency is; solutions > colloids > suspensions.
<h3>What is a mixture?</h3>
A mixture is composed of more than one substance. The mixture could be homogenous or heterogenous. We know that the level of transparency of a mixture depends on its components.
Now the ranking of the mixtures according to the level of transparency is; solutions > colloids > suspensions.
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Missing parts;
Rank these types of mixtures according to how transparent they tend to be: colloids, solutions, suspensions? Most transparent to most opaque