People came to work as craftsmen in Mesopotamia because of a.
cattle and sheep herding.
c.
rules set up by the government.
b.
division of labor.
d.
flooding.

Please select the best answer from the choices provided

A
B
C
D

How much time on average do americans currently spend watching tv and videos per day?

Anode is a point on a wave where there is no vibration. a.true b.false

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling