Answer:
A . his work on subatomic particles
Luis Walter Alvarez was a noble prize winning physicist, who is probably most famous for the discovery of the iridium layer and his theory that the mass extinction of dinosaurs was caused by an asteroid or comet colliding with earth.
Answer:
D. Average Daily Rate
Explanation:
This is the correct answer because, a hotel's room cost changes everyday due to, booking changes, sizes of the rooms, and amount of people who need the room.
