I am not completely sure but I think the answer is mine or miner. If you think about it you have to mine in order to get the ore out.
Hope this helps!!!
The answer is A ( harsh environment (cause); few living things (effect) )
D) Marianne ended up revising her report three times: she looked first at the content, then she considered her thesis, and finally she considered questions of style.
This is correct
I just wrote one . Would you want me to copy and paste it ?