The major reason why relative atomic mass of some elements is not a whole number the existence

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

Which compound contain an iron with a 3+ charge

Give more examples of this type of heat transfer: