Unless cambridge lsat still sells them in PDF format or you saved them onto your computer from 7sage before LSACs new policy went into effect, you will need to purchase them in paper format.
I PTed every day leading up to the December 2014 test and ended up needing to cancel my score. I wouldnt recommend the everyday strategy as it can quickly cause burnout.
Yeah @DumbHollywoodActor drew out a really neat graphic during blind review. See, if the river currents rush the dioxin down current (where the fish are not) then it is probably not the cause of the abnormalities.