Anybody plays mine craft lol this might be crazy but, i kinda have a fear of the giant mushrooms lol, it just looks disgusting on the bottom, also the shape kinda, but im trying to overcome it lol

Competent nonverbal communication involves interacting with others in a manner that is appropriate for which of the following? select all that apply. situation task individuals

Suppose there is a relation r(a, b, c) with a b+-tree index with search keys (a, b).1. what is the worst-case cost of finding records satisfying 10 < a < 50 using this index, in terms of the number of records n1, retrieved and the height h of the tree? 2. what is the worst-case cost of finding records satisfying 10 < a < 50 and 5 < b < 10 using this index, in terms of the number of records n2 that satisfy this selection, as well as n1 and h defined above? 3. under what conditions on n1 and n2, would the index be an efficient way of finding records satisfying the condition from part (2)?

How does a vaccine prevent sickness and individual?