"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:

The one that caused the death of 50 million is influenza
I believe that the correct answer is the First Amendment.
Answer:D. The world Trade Organization
Explanation:
I just took the test
Answer:
When the French sold Louisiana to America with the Louisiana Purchase in 1803, many Americans believed the sale included Texas. These claims were based on La Salle's failed attempt to colonize Texas in the 1680s. The Adams-Onís Treaty put those claims to rest, ceding Texas to Spain.
Explanation:
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