I'm literally 99.9999% sure it's cytoplasm.
Answer:
As a cell grows in size, the surface area gets bigger, but the volume gets bigger faster. Thinking about this as a ratio (division), the volume is the denominator and the surface area is the numerator. If the volume is getting very big, then the ratio itself will be getting very small.
Answer:
an increase in the temperature will increase the average kinetic energy of the molecules which causes the molecules to move faster