with the help of a labeled diagram, briefly describe how to dry a sample of oxygen can be prepared in the laboratory using sodium peroxide ​

c- companies fail to take environmental protection into account. i think

it would be d). more resources must be obtained to attain that combination of goods and services

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.