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

answer; i believe its called ; checks   and balances;

the economic difference between the three colonial regions. shipbuilding, whaling, fishing, and trapping where also main factors to the economy. the southern regional colonies economy was based on sugarcane, rice, cotton, tobacco, and indigo.

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.  

your answer would b. the missisipi river

hope i you : )