<em><u>The six elements of the life cycle of fire are described by Dawson Powell in The Mechanics of Fire. These elements are input heat, fuel, oxygen, proportioning, mixing, and ignition </u></em><em><u>continuity</u></em>
I believe the answer is <span>C. Several shoppers bought milk, and others bought bottled water.
Option A is wrong because it need a comma after the word 'Then'
Option B is wrong because the comma should be placed before the word 'But'
Option D is wrong because it does not need another comma after the word 'But'
</span>
Answer:
what grade????????????????
