A. What process the figure (shows)?
B. What (do )the colored particles represent?
C. The pharmaceutical industry (is) one of the most profitable worldwide.
D. Scientists (work) with various models of carbon structures.
E. Chemistry are traditionally broken down into the branches listed(in) the Table.
F. Environmental chemistry (deals) with the role chemicals play in the environment.
G. Nutrients are the components in food that an organism (uses) to survive and grow.
H. The electrical conductivity of a semiconductor (opposites) to that of a metal.