Answer:
Copper:
Copper compounds produce blue colors in fireworks. Although Copper has a red appearance in solid form, when it’s set alight it creates stunning blue fireworks. Copper is used in electrical wire and roughly half of all copper mined is used for this purpose.
Answer:
Social (psychologist).
Explanation:
Given that Professor Thurstone is investigating a teacher's negative perceptions influence in the student's tests, he is most likely a social psychologist. This type of psychology studies how people's (not individuals per se) thoughts, feelings and behaviors are influenced by the presence of others. In this case, his group of individuals would be the students, and the influence he is studying is that of the teacher that causes negative perceptions in his group of study.
The best answer is a) a general frustration: if everything is going wrong then you can't even find solace in other aspects of life, unlike in D. when if the family life is going well, then the person might at least find some relief there.
Answer:
c
Explanation:
The 14th Amendment to the U.S. Constitution, ratified in 1868, granted citizenship to all persons born or naturalized in the United States including former enslaved people-and guaranteed all citizens “equal protection of the laws.”