I think it's A. Delhi Sultan, Ibrahim Shah Lodi
The Spanish conquistadors sailed over the Atlantic to conquer Mexico and Peru in the 16th century.
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.
Answer:
Rising in Lake Itasca in Minnesota, it flows almost due south across the continental interior, collecting the waters of its major tributaries, the Missouri River (to the west) and the Ohio River (to the east), approximately halfway along its journey to the Gulf of Mexico through a vast delta southeast of New Orleans, a total distance of 2,340 miles (3,766 km) from its source.
Explanation: