In the experiment, "Do white cats eat more than black cats?" the independent variable would be: the color of the cat.
how much each cat weighs.
how much food each cat eats.
the temperature of the food.

Someone me with this: a mineral' is determined by its actomic structure.

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass