Values are commonly stored in a binary search tree so that a node's ________ child holds data that is less than the ________ data, while the node's data is less than the data in the other child.

________ is the process of extending a line to estimate values beyond the end of a known date

A) Approximation B) Estimation C) Extension D) Extrapolation

A(n) _____  is an attachment to an email message or data embedded in a Website that verifies the identity of a sender or Website.

Fill in the blank(s) with the appropriate word(s).