CLO1 C2
b) A steel block with a mass of 30 g and a temperature of 100 °C was put into
container of water. The water temperature is 20 °C . If the temperature of the
mixture is 25°C, calculate the mass of water in the container (unit kg). Given
the specific heat capacity of water is 4200 J/kg°C and steel is 1400 J/kg°C.

im guessing the west of station b

high-sugar diet and high cholesterol

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.

3. dark matter

empty space could also be a simple vacuum