UnScramble this Word: m r y d i o e b?

Questions

Emeralds come from which mineral?

Emission of energy as electromagnetic waves in the portion of the spectrum just beyond the limit of the red portion of visible radiation?

Encephalitis affects the ________?

Encephalopathy what is the richest country?

Encounter on March 5, 1770, five years before the American Revolution, between British troops and a group of citizens of Boston?