Why were European powers dissatisfied with China’s opening of the port of Guangzhou?

In a scientific experiment, a is any factor that can be changed or be changed

The answer is d the box plots show the data distributions for the number of customers who used a coupon each hour during a two-day sale. which measure of variability can be compared using the box plots? interquartile range standard deviation mean median

How did geographic isolation affect the islands in the australasia ecozobne?