Which of the following statements are true for a trapezoid? It is a quadrilateral. It has two right angles. It has at least one pair of parallel sides. Any side can be the base. The endpoints of the altitude are on each base.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

answer; /// the statement is false,false,false;

i believe the answer is: description

description refers to the goal of psychologist to identify the phenomenon that being observed. this goal is being actualized by collecting data/information from various clues that observed through the phenomenon. this goal must be accomplished before pyschologist able to create methods of treatment.

answer; psychological influences;