Answer:
Hiram Revels
Explanation:
In 1870 Hiram Revels of Mississippi became the first African American senator.
An anthropologist named Paul Kirchkoff first used the term “Mesoamerica” (meso is Greek for “middle” or “intermediate”) in 1943 to designate these geographical areas as having shared cultural traits prior to the invasion of Europeans, and the term has remained.
Answer:
Infant mortality is the death of an infant before his or her first birthday. The infant mortality rate is the number of infant deaths for every 1,000 live births.
Answer:
or 
Explanation:
Number of longitudes on Earth = 
In one hour the Earth rotates 
So,
takes 

Since the longitude is in the East the time difference will be added.
So, if it is noon in Greenwich the time at 100 degree East will be
or
.
The right answer is Logos. This concept refers to the group provided by Sam Leith about the 3 methods of persuasion: Ethos, Logos, and Pathos.
- Ethos refers to the establishment of authority when speaking about the subject.
- Logos refers to the logical argument that is made during the speech.
- Pathos refers to the emotional component with which you try to connect with the public.
I hope my answer can help you.