Ionization
Heavy oil is passed through metal chambers under high pressure and temperature in the presence of catalysts such as alumina, silica, or zeolites. This boiling breaks up heavy, large, more complex long-chain oil molecules into lighter, smaller, and simpler short-chain molecules.
A mineral that breaks into jagged pieces exhibits fracture.
erosion
if a tie rod breaks you will lose control of the tire it broke on , causing you to crash..
Replace them.
Catabolism
nuclear explosions or bacteria
Digestion.
Fats are made up of lipid molecules. Lipase is the enzyme that breaks up the lipid molecules.
evaporation!
bile
nothing
The process that breaks up molecules into smaller units is called catabolism. Large molecules, such as nucleic acids, are broken down into smaller molecules, such as amino acids.
Chemical digestion
The process of photosynthesis breaks up CO2 molecules.
They are called enzymes.
proteins!