<span>Sustancia Punto de fusión Punto de ebullición
</span>Nitrógeno -210 -196
Oxígeno -218 -183
Agua 0 100
Alcohol -114,4 87,4
Mercurio -38,9 <span>357
</span>Glicerina -40 290
Aluminio 660 2060
Cobre 1083 2595
Hierro 1539 2740
Oro 1064 2856
I think it would be a soil fertilization
Make a paraffin block with that wing present inside. Now make fine slices of that block. Take one fine & even slice on a slide & then stain it.
Hope this helps you!
The pictured cell is in Metaphase as the chromosomes are lined up at the equator of the cell.