Can your opponent ask you to mark your ball on a fairway?

Answer 1

Yes, if your ball is hindering his shot in any way. It may work to your advantage because you get to place your ball after he hits.

Answer 2

Only if your ball would interfere with their swing. If so, you can't clean it. Pick up, mark, and replace to re-create the lie.

Answer 3

no. on the green, yes if your ball is in their way.

Answer 4

Hell naw, now go and slap him/her for me