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  1. O

    Which fish have the lowest PCB levels?

    As well as lowest mercury levels? And both? I eat a lot of trout which I know have low mercury levels but are moderate with PCB and should be limited to 6 meals per month. I am starting to have a feeling to avoid eating fish at all to get rid of these concerns. As PCB builds up in low amounts...
  2. O

    Which fish has more mercury trout or salmon?

    From fresh water lakes. What about from salt water lakes?
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    Once mercury gets in body does it stay in the body forever?

    Like from eating fish from a lake such as trout. What if it reaches toxicity is that permanent? I am a 15 year old male. Another question: What if a lake has unsafe mercury levels and I ate 1 fish from the lake, am I going to get mercury toxicity and/or other toxicity?
  4. O

    Do petroleum engineers work in toxic environments or do they only design...

    ...machinery for it? I wanted to be a petroleum engineer due to its high salary, but am unsure if it's worth it. Is it worth it? Is it fun? Aeronautical engineering doesn't have a salary as high, but it seems like a fun job. I am hard of hearing and wear hearing aids. I suppose both jobs would...
  5. O

    Do petroleum engineers work in toxic environments or do they only design...

    ...machinery for it? I wanted to be a petroleum engineer due to its high salary, but am unsure if it's worth it. Is it worth it? Is it fun? Aeronautical engineering doesn't have a salary as high, but it seems like a fun job. I am hard of hearing and wear hearing aids. I suppose both jobs would...
  6. O

    Are sticky screen protectors bad for an iphone screen?

    I just realized there are static screen protectors that hold pretty well. However sticky generic screen protectors tend to hold pretty well. I have one on my ipod touch and if I am to take if off will the screen change? Will the feel of the screen change? Has anyone tried, because I want to know...
  7. O

    What's a semi-auto dirt bike?

    What's a semi-auto dirt bike? And if it's one without clutch is it better than clutch? Explain and how this works which will describe how it's better. What if a clutched one is shifted without pulling in clutch? Would it shift like a semi-auto or different? explain this as well. I mean if you...
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