Can you explain so I can answer? (In comments)
Answer:
The lithosphere is broken into separate sections called plates. The geological theory that states that pieces of Earth's lithosphere are in constant, slow motion, driven by convection currents in the mantle is plate tectonics.
Http://www.chem4kids.com/files/elem_pertable.html this should help.
The five main branches of chemistry are organic chemistry, inorganic chemistry, analytical chemistry, physical chemistry and biochemistry. Chemistry can be further divided into many sub-branches that may fall under more than one of the main branches.
<span>0.50 mg x ( 1 mL / 0.25 mg ) = 2 mL </span>