Open Water Diver - Chapter 1

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Don't be forceful in equalizing. If you can't equalize, discontinue the dive.","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":31442,"quiz_id":"2763","answer_id":null,"answerType_id":"0","created_at":"2016-02-07 00:49:05","updated_at":"2016-02-07 00:49:05","questionName":"The features you look for in a mask include (check all that apply):","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":31435,"quiz_id":"2763","answer_id":null,"answerType_id":"0","created_at":"2016-02-07 00:42:56","updated_at":"2016-02-07 00:42:56","questionName":"If you feel discomfort during ascent due to a reverse block, you should:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":31440,"quiz_id":"2763","answer_id":null,"answerType_id":"0","created_at":"2016-02-07 00:47:14","updated_at":"2016-02-07 00:47:14","questionName":"You need a mask to see underwater because:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":31437,"quiz_id":"2763","answer_id":null,"answerType_id":"0","created_at":"2016-02-07 00:44:06","updated_at":"2016-02-07 00:44:06","questionName":"As you go deeper, you consume air from your scuba cylinder:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null}]
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What six features should you look for in a mask?

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