When you click the ________ button, the selected bullet moves and the corresponding shape changes to a subordinate shape

What are the results of using a Boolean Internet search with leaves AND trees?

A) Search results can contain either of the two words. B) Search results can contain different types of trees. C) Search results can contain any words describing the leaves or trees. D) Search results must contain both words, leaves and trees.

A value that can be changed is referred to as a(n) ________

A) operator B) join C) parameter D) expression