Explica la diferencia que hay entre pirámide alimentaria, cadena trófica y red trófica. ayuda x favor alguien k. me ayude​

Find the value of x. give reasons to justify your solutions! h ∈ ig

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000

Pls the last one and it has to be like number 6