Coffee is an example of a
homogeneous solution
O heterogeneous solution
O pure substance
O element

What must happen before a body cell can begin mitotic cell division

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Why would a doctor most likely restrict a patient's contact with other people while the patient receives internal radiation