How do the cells of a multicellular organisms differ from those of a unicellular organism?

Provide one reason why mitosis occurs.

How can you approximate the number of calories required to keep you in energy balance?

Aquantity of gas has a volume of 18 m3 and an absolute temperature of 225 k. when the temperature of the gas is raised to 380 k, what is the new volume of the gas? (assume that there’s no change in pressure.)