Professor lawrence was concerned about the validity of a recently reported experiment on the effects of alcohol use. which process would best enable her to assess the reliability of these findings?
a. naturalistic observation
b. replication
c. random sampling
d. a case study

 The correct answer is  :  b.  replication

Explanation:   Replication is the process of copying and keeping data updated in various database modes. Replication has several advantages such as: performance, failsafe, reliability and block generation. Replication is the process by which an exact copy of part of the system is generated.

the aksumite empire was an ancient kingdom located in what is now northern ethiopia from the period of 100 ad to 940 ad. its capital was the city of aksum. the kingdom established itself as one of the 4 great powers at its time, along with persia, rome, and china.

the kingdom was rich in goods like gold, iron, and salt. it established strong commercial ties with the regions governed by rome, egypt, and persia (arabia). aksum was a key location in this commercial network. trade was also facilitated with the introduction of the aksumite currency.

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."