Bonita is participating in a longitudinal study that began when she was only two years old. now in her late 20s, bonita has undergone a series of cognitive tests every six months for more than 25 years. the study in which bonita is participating is best described as an study.
a) cross sectional
b) time series
c) independent measures
d) repeated measures

b) time series

Explanation:

Time-series study: Th term time-series study refers to the process in which it is responsible for analyzing or examine time-series data to get meaningful statistics and related data's characteristics. Time-series study analyzes the future value based on the formerly observed values. It is generally used for longitudinal research that includes a single subject or participants that is being measured continuously and repeatedly in regular intervals of time.

In the question above, the study in which Bonita is participating is best described as a time-series study.

answer; /// i believe that the correct answer is (fossils);

in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.