If I told you, would you really learn anything? Do the work on your own... :D
On page 68, the two titles on the page are "The Impact of Climate Change on Biodiversity" and "Strategies for Conservation and Adaptation."
Page 68
You unlock the ACR 68 at level 56. Hope this helped! :)
Page 68
thepasswordtothislevelisallthewordsinthissentenceexceptforthespaces
level 68
wires
pass level 68 is "they"
they
The answers on this page say it is 59,77,542,or 612
You can buy cold-weather flying at level 68.
68 as of 26 march 2009