If there's an oil spill and there's a fire in the ocean why can't the ocean water just put out the fire?

If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone

The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.

What are the similarities & differences between a thermistor and a light dependent resistor in physics?