The sand to pass through, but not the gravel. Hope this helps!
B .pure water it’s made up of oxygen and hydrogen “H2O”
Yes as there is advertisements for this as a alternative to glue.<span />
I can help with that!
<span>-Boron (B)
-Silicon (Si)
-Germanium (Ge)
-Arsenic (As)
-Antimony (Sb)
-Tellurium (Te)
-Polonium (Po)
<span>-Astatine (At)</span></span>