0451 I think if not refer to been a while since i played that
http://bioshock.wikia.com/wiki/Twilight_Fields_Funeral_Homes
1. Swimming helps strengthens the lungs and heart
2. Swimming helps reduce stress
3. Swimming burns more calories than walking and running
4. Swimming will burn 650 calories
5. Elephants can swim up to 20 miles a day. They use their trunk as their snorkel
The answer is the 4th phrase.
An adverb clause is a group of words that function as an adverb. For example: "Unless you run fast, you will miss your bus." The bold words are part of the adverb clause.