It reveals why Jekyll looked so sad and would not join the men.
Impromptu is an unrehearsed speech. Not rehearsing would not allow speakers to gather 100% of their thoughts.
Answer: c
Explanation: i took the test
Because it shifted the international focus towards the Antarctic and resulted in numerous scientific and geographic expeditions. As many as 10 countries launched 17 Antarctic expeditions. Actually, the failed mission of Shackleton resulted in great interest among the countries to conquer the unconquered.
