Steel nails will not rust, or oxidize - but Iron nails will. Iron (Fe) will react with the oxygen in the water  and create Fe₂O₃ or Iron(III) Oxide.  The scientific name for Rust.

This is usually figured out by the first date of your last period.   So if Today is the first day of your last period, your due date would be 12/31/2009. I know I'm a guy and answering this question is weird - but I am a father of 3 and very involved with my kids … Read more

Just remember this pattern 1 2 4 8 16 32 64 128 then add the numbers up to the 1's that fall in the slots. So your number 11001 would be 1+2+16 or 19 another example:  101101 would be 1+4+8+32 or 45