39 Which statement is NOT a part of the scientific theory of cells? A Cells are the basic unit of life.
B All cells come from other cells.
C All organisms are made of cells.
D Cells make up nonliving objects.

Based on its chemical properties, identify the position of each chemical family on the periodic table.

Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)

Which statement is actually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.