One of the information to provide is stating the condition
that you are in specifically saying whether you’ve sustained some injuries or
are you suffering from certain illness. Also you need to provide your name and
the name of other people you are with. Lastly you should be able to give proof
of the latest date that you could provide which could be done through getting
the latest issue of newspaper.
Cross over? i have no idea lol
The second one is the answer
Mainly by nitrogen-fixing bacteria in the soil and oceans