Magnetite particles, suspected to cause neurodegenerative problems, are generated as environmental pollutants from which of the following?
Select the correct answer using the code given below.
(a)
1, 2, 3 and 5 only
(b)
1, 2 and 4 only
(c)
3, 4 and 5 only
(d)
1, 2, 3, 4 and 5