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.
Many geological factors contribute to California's natural resources such as
Earthquakes
Floods
Volcano
Landslides and Mudflows
Population growth, combined with development in arid and semiarid regions of the State, has stressed California's water resources.
1 and D
2 and A
3 and C
4 and B