Q: After Britain lost the war of American Independence which part of North America did they retain
-----
A: canada

Q: The Republic of Upper Volta was renamed what (two-words) in 1984, meaning respectively 'men of integrity' and 'fatherland' in its two native languages?
-----
A: burkina faso

Q: Usually represented by lower case n, which optical property is the ratio of the velocities of light in two adjacent media?
-----
A:
refractive index