Calcium Carbonate
Source: This question is taken from the Everyday Science
Radiology
Isotopes
deliquescence
An occlusion
Epidermis
Germination
Peninsula
Anatomy
Upright
Annealing
Blue moon
Solid
the Imbrium Basin
Predator
Breakbone Fever
Photosphere
Homologous
Pomology
Opthalmology
C
Osmosis
Hamstring
Gene
Jovian planets
Latitude
Torque
Halophyte
Thermal Expansion
battery
Boiling point
Chorology
Groups
Vectors
Dactylography
Tension
Crust
Corona
periodicity of property
Phytology
Electronegativity
Fibrous joint
Second cranial nerve
Allotrope
Testa
Electric Current
Metamorphic rocks
Cast iron
Odontology
Focal Length
Microscope
Kalology
Erythrocytes
Leukocytes
Convection
Taxonomy
Arachnology
Angiosperms
Pedology
Neutron star
Meteorology
Washing Soda
Biosphere
Aphelion
Pressure
Chip
Evaporation (mixing) fog
both A & B
The Frigid Zone
Power
Riboflavin
Consolute temperature
aerosol
Generator.