"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:

Answer:
Using a handmade telescope in January 1610, Galileo confirmed the Copernican theory that the planets moved around the sun; the Earth was not the center of the solar system. Galileo verified a new truth, and threatened the orthodoxy of his time.
Explanation:
The correct answer is B) Tiny water droplets collide and form larger drops that fall to the ground. Hope this helps.
Rivers for transportation, mountains, hills, plains, bordered by a sea or lake, and other land formations. Weather also
Answer:
12 months minimum
Explanation:
you should stay there for minimum 12 months to make sure that it's in good condition