Except the c) sweat gland
Because water is polar and oil is nonpolar, their molecules are not attracted to each other. The molecules of a polar solvent like water are attracted to other polar molecules, such as those of sugar. ... Ionic compounds, such as sodium chloride, are also highly soluble in water.
Answer:
an access card as some may contain metallic properties
Explanation:
electromagnets could also be used in the scanner so this could be tried
hope this helps
Natural disasters because they are all natural