D. Obama became more popular later on in his presidency.
Answer:
completely randomized (answer from Khan Academy)
Explanation:
This study is an example of a completely randomized design since each subject is randomly assigned to one of the treatment groups without extra consideration to other variables.
It was between the Tigris and the Euphrates rivers.
Answer: southern colonies were made up of mostly coastal plains and piedmont areas. The soil was good for farming and the climate was warm, including hot summers and mild winters. The growing season here was longer than any other region. The southern colonies' economy was based on agriculture
The Golden Age of China is thought to have been the time of Tang dynasty, between the years 618 and 907. It was a time of reforms and development in art, literature, architecture and others areas.
