Since a participle takes the form: verb + -ing, the only word in this sentence which has such a form is B, 'challenging'. 'Puzzle' is a noun, 'crossword' is an adjective, 'created' is a verb.
<span>Ice can change a landform by putting weight on the landform.thats how ice can change a landform! well ice can also melt, causeing water build-up wich can cause erosion <span>
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his fs cheating sis leave him or go through his phone and find out for yourself
D. Spoken too quietly, the directions to the store were misunderstood.
