May i know what is it for?
Answer:
Those materials which are not attracted by a magnet are called non- magnetic materials. All the substances other than iron, nickel, and Cobalt are non-magnetic substances for example plastic, rubber, water, etc are nonmagnetic materials. Non-magnetic substances cannot be magnetized.
Answer:
population mating structure and culture. hopefully I'm right.
Immigration followed by competition
I hope this right, if its not, sorry =)
