4
Source: This question is taken from the Everyday Science
Adrenal gland
Astronomy
the density of salt solution exceeds the density of eggs
2
Convection
Navigation
Molecular formula
Cryosphere
Gravitational force
Both A and B
Cornea
Aphelion
Three kinds
Flat
Katabatic wind
Bacteria
Hypocenter
Momentum
Neurological
Supersaturated
CH₃COOH
Geo-morphology
Europa
Mutualism
Aerodynamics
Third
Concentrated Solution
Unsaturated solution
Johannes Kepler
vibrational
An electric motor
Roughness of surfaces
Covalent bond
Cylindrical Lens
Proton
Diluted
Day and Night
All of these
Motion
Issac Newton
Two