11.   Experts differ on the likelihood of such strikes.

12.   Experts differ when asked how much experience is enough.

13.   Experts differ on how ozone-hostile HCFCs are.

14.   Experts differ widely on the scale of the threat to human health.

15.   Experts differed on the size of the reserve fund.

16.   Experts in public relations differed on whether the designer should come forward.

17.   Experts differ on assigning hardiness zones to plants, but then individual plants and individual test sites also differ.

18.   Experts differ on how smooth that will be.

19.   Experts differ on the cost of the Senate proposal.

20.   Experts differ over what brought it about.