Transcript text: Sort these items: $\qquad$  
$\simeq$ $\square$  
$\longrightarrow$ $\square$  
$\longrightarrow$ $\qquad$ $\qquad$  
ミIron  
三 Salt  
ミSoda  
$\equiv$ Air  
$\equiv$ Hydrogen  
ESugar Water  
Drag and drop the correct answers into the boxes. You can also click the correct answer, then the box where it should go. Reset $m$