Wouldn't it be Problem and Trouble?
The rest wouldn't make sense...
Answer:
1. c
2. c
3. c
4. b
Explanation:
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The diver strapped the aqualung to his back in preparation to dive
Answer:
Term: Contrast
Explanation:
To compare something is to estimate, measure, or note the similarity or dissimilarity between something.
Contrasting, however, is noticing the striking differences, emphasizing differences rather than just pointing them out.