The correct term to fill in the blank would be consummate. In sternberg's study, a healthy degree of all three components in both partners characterizes consummate love. The three components according to the triangular theory of love are intimacy, passion and commitment. Having a balance of the three would give you the consummate love.
The answer is: pseudostratified ciliated columnar epithelial cells.
We can find these type of cells in the upper part of the trachea and bronchi, and through the whole upper respiratory tract (nasal cavity included).
Their job is to produce a mocous secretion (look up <em>cilia</em>) help us to stop external, microscopical, materials from entering our lungs, and so we can sneeze and cough them away.
I believe the answer is: Formal Operational Stage
During the Formal Operational Stage, people already developed the ability to form abstract thinking and <span> solving complex problems.
For average people, Formal operational stage started when we're around 12 years old of age and keep developing until our late adulthood.</span><span />
Which of what? put the options.