It smells so bad that no one or animal will get near it
No, because boats and other mechanical vehicles can spill gas and oil into the freshwater. if the freshwater is scarce already, we should not contaminate it more by risking the gas and oil spills.
D = m / V
D = 8.0 g / 25 cm³
D = 0.32 g/cm³
Answer A
In order to change celcius to kelvin always add 73 to it leaving you with -195.93