Answer: The correct answer for this question is A. "policy" and "provision".
Explanation: Because, the excerpt talks about how the two tribes have accepted the provision made for their removal at the last session of Congress, and it is believed that their example will induce the remaining tribes also to seek the same obvious advantages. Also because, Congress has given pleasure to announce that the benevolent policy of the government, steadily pursued for nearly thirty years, in relation to the removal of the Indians beyond white settlements is approaching to a happy consummation.
A. their
Their refers to the the multiple (both means more than one) squirrels themselves
If it was HIS then it would refer to only one squirrel
If it was OUR it would mean you and me (We) had our acorns hidden
Answer:
option (C) ( second to the last one) --- the movement of carbon dissolved in ocean water into rocks.
Good luck.