The sentences that use commas correctly is A) Volcanoes spew molten rock and, mostly exist along the Pacific Rim.
B.
is the right answer because it said about Elbridge Gerry of Massachusetts redraw the congressional districts in his state to give his party unfair political advantage.
Answer:
The climate of Western Europe is milder in comparison to other areas of the same latitude around the globe due to the influence of the Gulf Stream. ... The Gulf Stream is nicknamed "Europe's central heating", because it makes Europe's climate warmer and wetter than it would otherwise be.
Explanation:
Answer: Battle of Iwo Jima Battle of Saipan Battle of Leyte Gulf