B. the Pharaoh's daughter
Answer:
Ballast control system
Explanation:
The Ballast control systems are a <u>vital </u>part of the submersible rigs oil platforms, as it's made up of a network of pipes, valves, and pumps, and tanks which work as liquid control for keeping the temperature at a stable level as offshore drilling can extremely risky and environmental disasters can occur very often. Its is tied to the opposite side of the vessel to reduce the risk of a large chemical explosion, or counterbalance water in action.
Answer: A. Beyond
Explanation:
The prefix extra in this contest means beyond. That means that a beyond solar planet is outside solar and something that is beyond terrestrial which means something outside of Earth.
B, C, and D are incorrect answers because they are not fitting into the context of the sentence.