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hilly is correct, it doesn't matter which lithium cell, as long as you can do everything required by the dot point

you can get both easil;y in australia. don't try thermite, it's quite dangerous.

is superphoshpate really a shrinking world resource? i don't think so. guano probably is. superphosphate is a fertiliser - just like guano. BUT guano is an organinc fertiliser, superphosphate is an inorganic one. if guano is your diminishing resource, then superphosphate and other alternatives...

i've seen excellent reports on ivory, ebony, narural rubber and uranium. try some of these

your teacher is spot on. wood is fine, the dot point talks about a shrinking natural resource, not a renewable or nonrenewable one.