Which of the following elements is/are represented in the spectrum below?
A: Hydrogen only
B: helium only
C:hydrogen and helium
D: calcium only

Article 11 of the constitution defines the role of?

Which factors are examples of how technology may have affected the great migration apex

The government has different agencies responsible for protecting the many cultures represented in america. explain the roles of the national endowment for the arts, the national endowment for the humanities, and the national archives and records administration.