How do you access the expression builder to add a calculated field to a report?
o in the report wizard in the format tab
through control source in the property sheet
o through the group & sort function in design tab
o through the design view dialog box under controls

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

a compound light microscope is used to magnify objects in steps.  

hope it

answer; cnidarians;