The formation of cis-trans isomers is a consequence of the absence of free rotation. Geometric isomers that only differ from each other in the 3-dimensional arrangement of the substituents in space. They have identical bonding and substituents. Alkane.
What sells out first: Christmas/New Years, Presidents Week in February, Spring Break Week in March, Easter Week and July/August sailings when the children are out of school. To get the space you want on the cruise and necessary air arrangements, don't hesitate to book 9 to 11 months in advance if possible. The remainder of February, March and April sailings usually start to fill up once the weather starts to turn cold in the Northeast and Midwest.
1 Suitcases may not exceed 50 pounds each. 2  You can pre-book shore excursions in advance of your scheduled sail date on Norwegian Cruise Line's website or by calling 1-866-625-1167. 3  You can make reservations at specialty restaurants on Norwegian's website up to 90 days before you board. And if you cancel your cruise less than 14 days before your cruise sets sail, you will receive no refund. 2  If you have booked The Haven or another Norwegian Suite category on any cruise, you must cancel at least 120 days prior to sailing to receive a full refund.