There are 15 students in math class.at the begning of class everyone races into class as everyone love maths.the professor takes note of the first 5 students who gets class and ranks them according to the order in which they entred as their top 5 favourite students. in how many different ways could the professor rank their top 5 students using formulla from combinations and permutations
Gradient should be in the blank, hope that helps
Answer:
B. Theory
Explanation:
A theory can be changed as new information is discovered.
Xerostomia (hypo functioning of salivary glands )
The aquifer must be permeable and porous to allow the water to flow through.