Keratin provides a. waterproof
b. insulation
c. protection from UV radiation
d. pigmentation ​

Which element would mostly likely have an electron affinity measuring closest to zero

Element before carbon on the periodic table

Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)