What is the domain with four kingdoms or organisms that have cells with nuclei?

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.

What type of organic molecule comprises the majority of a potato?