True! Because self esteem comes from one's self, it is not inherited: meaning it's a projection of who u r, the person u want to b weather it b strong & courageous or timid & weak.
the answer is a. skin color
The term yardstick refers to what is a normal response. It really has nothing to do with a yardstick and can be used in many situations. A yardstick is a measurement that has been tested over and over and than that measurement becomes the standard.
Say the yardstick for a reaction time is 5 seconds
Meaning that is what a normal healthy person can do it in.
Joan has the reaction in 4.8 second. Well she is on the the bell curve and did better than the yardstick test measure.
The pinna is part of the external ear.