Monica is eager to communicate with her friend by typing and receiving text in real time. Which online tool will help Monica do so?

How many pairs of chromosomes do human body cells contain?

Which virus-infecting components are email messages prone to carry? one of the problems associated with the use of email communication is that email messages are prone to carry virus-infecting .

The following function returns a string of length n whose characters are all 'x'. give the order of growth (as a function of n) of the running time. recall that concatenating two strings in java takes time proportional to the sum of their lengths. public static string f(int n) { if (n == 0) return ""; if (n == 1) return "x"; return f(n/2) + f(n - n/2); } options: a) constant b) logarithmic c) linear d) linearithmic e)quadratic f)cubic g) exponential