why price is so low

clearly shows ppl don't see the real value..
volume it rises, so that is good thing!
The impact of new coins that appear or dependence on the queen of all coins yes it's Bitcoin. so if something bad happens to Bitcoin it will have an impact on its children.
yes you are right, but as soon as bitcoin goes up, not all altcoins really go up, but they gradually and adapt to the situation and slowly follow the market conditions, because all must be considered also in rising or falling, and this does not affect the USDT or Another stable coin