Air mass, letter a is the correct one
Http://skywalker.cochise.edu/wellerr/students/measure-quake/paper.htm go here and all the answers are there
Answer:
Washington, D.C. is the capital of the United States of America
Explanation:
hope that helps :)
Answer:
The data collected by the census determine the number of seats each state has in the U.S. House of Representatives (a process called apportionment) and is also used to distribute billions in federal funds to local communities.
Explanation: