Answer:
I think it means calculations involved in determining how much fuel the EDS needs to safely make it down to the planet with its cargo.
:
Sound reasoning is essentially a valid argument/claim with evidence to back it up. The argument needs to be written based on true premises and logical fallacies shouldn't be present. A sound argument typically requires an explanation to back up a clear message. A mix of ethos, pathos, and logos are present in a sound argument.
What Herbert ??? (Unnecessary)
The google definition of the verb exact is "to demand and obtain from someone"
This leads me to believe that the answer would be C. take by force.
