Based on the data in the table, what is the difference between the mean numbers of turkey vultures and great blue herons observed at hornsby bend between march 10 and march 14? a. 70 b. 56 c. 9 d. 441

B.56

Explanation:

We know that to calculate the mean we need to add up all the observations, then divide by the number of observations .

The mean numbers of turkey vultures between March 10 and March 14 is given by :-

The mean numbers of great blue herons  between March 10 and March 14 is given by :-

The difference between the mean numbers of turkey vultures and great blue herons observed at Hornsby Bend between March 10 and March 14=.

not only is it colder, it also becomes darker, less salty, and more dense.