They grow distinct crystal shapes because they have a loot of room and their growth and movement is not restricted, which enables them to form in whichever way they can, which is why they are so distinct.
The mesopause, the temperature minimum that marks the top of the mesosphere, is the coldest place on Earth and has an average temperature around −100 °C (−148.0 °F; 173.1 K). your welcome lols.....
As with the Nazi's, there was heavy corruption and little to no control of the SS or enlisted soldiers, so the SS and enlisted men misused and abused their power and authority greatly. So much that many people, citizens, and even other soldiers, feared for their lives around the Nazi's or higher figures/authority, mainly because they were unable to be stopped in anything they did, as in murdering people, stealing things, and other things that may be considered morally wrong. Hope this helps!
Gas density creating our atmosphere