[shady145]

Originally Posted by sam5

we can only guess...

there will be at least 2 "7 markers" - one or 2 for core and 1 for ur option.

Things done in the past wont be done again (nuclear chemistry, ethanol, haber process, SO2, ...)

Might be something for redox, biopolymers, water quality, precip tests and ion analysi or atmospheric stuff.

For the option (shipwrecks) we will prolly get something bout corrosion protection, restoration or corrosion processes.

yea they will, just not exactly the same question.