MCQ
The jawless vertebrate is
- ACrocodile
- BLoris
- CHyla
- ✓Petromyzon
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$[Image]$
Type $I$ Type $II$ Type $III$
Few such steps include
$I.$ ensuring use of disposable needles and syringes
$II.$ free distribution of condoms
$III.$ advocating safe sex
$IV.$ controlling drug abuse
Which of the steps given above are correct?