Price elasticity of demand is the ratio of the percentage change in quantity demanded of a product to the percentage change in price. Economists employ it to understand how supply and demand change when a product's price changes.
Answer: Visible light spectrum.
Explanation: On the entire electromagnetic spectrum, the human eye can only detect and view the visible light spectrum which is what we, as humans, can separate into “rainbow-like colors.”
Answer:
While parents in Western cultures encourage emotion oriented behaviors in their daughters, they encourage their sons to engage in <em>goal-directed. .</em>behaviors.
Explanation:
An instrumental behavior can be described as a behavior which is goal-oriented. The parents in the Western culture encouraged their boys to have an instrumental or goal-oriented behavior. They were taught to remain focused, to suppress their emotions and to be hard.
On the other hand, the females were taught to be more emotional oriented and have a more expressive behavior. They expressed their feelings by emotions.
The Human Development Index (HDI) is a statistic composite index of life expectancy, education, and per capita income indicators, which are used to rank countries into four tiers of human development.