Which of these is true about pure substances? They can only contain one type of molecule. They may contain one type of atom or one type of molecule. They can only contain one type of atom. They can contain different types of atoms and molecules.

Give more examples of this type of heat transfer:

An unknown insoluble substance displaced the water shown. it's mass is indicated on the triple beam balance. mass = a. 694 b. 693.5 c. 693.0 d.693.8

What is the importance of interlocking the fingers and rubbing while washing hands? the palms are the dirtiest parts of the hands. the spaces between the fingers get washed. the backs of the hands get washed. the fingernails are the dirtiest parts of the hands