Which Statement Is True About the Unit Vectors

question 18

Multiple Choice

Which statement is true about the unit vectors , and ?

• A) Their directions are defined by a left-handed coordinate system.
• B) The angle between any two is 90 degrees.
• C) Each has a length of 1 m.
• D) If is directed east and is directed south, points up out of the surface.
• E) All of the above.

Analyze how social class influences consumer behavior in different cultural contexts.

Identify the role of status symbols and strategies of brand interaction among different social classes.

Explore social class differentiation within and across cultures.

Examine the relationship between social class components and consumer choices.

---

Definitions:

Chorionic Villi

Microscopic, fingerlike projections that emerge from the outer cellular layer of the chorion, contributing to the placenta and facilitating nutrient and oxygen exchange between the mother and fetus.

Endometrium

The inner lining of the uterus that thickens during the menstrual cycle in preparation for possible implantation of an embryo.

Meiosis II

A phase in cell division where a single cell divides once, leading to the creation of four haploid cells from the original diploid cell, primarily occurring in the production of gametes.

Cleavage Divisions

A series of mitotic cell divisions in early embryonic development that leads to an increase in cell number without cell growth.