your question doesnt make sense
Answer: a. the code name for the Allied invasion of Normandy
Explanation: The operation Overlord is the code name for the invasion of Normandy, an Allied operation that launched the successful invasion of German-occupied Western Europe during WW II. This operation took place in 1944, and started with the Nornamdy landings, that are knowed as the D-day
The correct option is a: the code name for the Allied invasion of Normandy
Answer:
A light year is a measure of distance as opposed to a time measurement. This is because a light year is the distance light can travel in the time of a year.