LTC will never reach zero. LTC prices will have a direct correlation between BTC prices. LTC offers an alternative to bitcoin and it has made itself a well known enough currency for it to not drop to zero.
Bitcoin enthusiasts were also LTC supporters too certainly they will not allowed it.
Yes! To ensure that this is the case, with the current rise of BTC (10..77%) in the last 24 hours, LTC has also rose to 4.16 (5%) gain. Direct correlation.