Because they are different tribes and different country
"The mass of Substance C is five times the mass of Substance B", the given statement is correct.
Answer: Option D
<u>Explanation:</u>
As Jessie added 16 gm. of Substance A to 4 gm. of Substance B Obtained certain amount of Substance C which can be calculated as follows:
amount of Substance C = Substance A + Substance B = 16 + 4 = 20 gm
Therefore, 20 gram of Substance C was obtained. Here, fourth statement is correct which says the mass of Substance C ifs five times the mass of Substance B to justify this, see the below:

<span>It implies they have little sustenance, shield, attire, social insurance, warm house. which implies they can become ill, amazing. or on the other hand, they can grow up with no decision, however, to swing to wrongdoing to profit. or on the other hand, they may carry on with a glad existence with minimal expenditure and acknowledge things.</span>
The constitutional documents that support the creation of the US constitution are: the declaration of independence document, the constitution and the bill of rights.