Answer:
using savings stampsemploying new technologies
Andrew Carnegie is a well-known for his philanthropy.
Answer: she is my Aunt
Explanation: She works in Michigan as a nurse
Some Caribbean islands are coral islands formed from shells and marine animals skeletons.
These islands belong in the older group of Caribbean islands. Aruba, Bonaire, Curacao, Barbuda, Antigua etc. belong to this group. They practically represent a low laying plateaus composed of billions, if not trillions, of shells and marine animals skeletons that are accumulated on the ocean floor.