List the three planets shown in the figure below in order of decreasing surface temperature, and cite evidence that can be seen in the figure that supports your choice. 
Definitions:
Persistent Unemployment
A situation where unemployment remains high or continues over a long period, often due to structural factors in the economy.
Wage Discrimination
The practice of paying different wages to employees who perform similar jobs, based on non-job-related factors like gender, race, or age.
Efficiency Wage
A wage set above the market equilibrium to increase productivity by encouraging higher effort or reducing turnover among employees.
Positive Amount of Unemployment
A situation where there is a nonzero level of unemployment in the economy, often considered normal due to frictions and transitions in the job market.
Q29: The only planet(s) without a moon is
Q33: Photography provides an improvement over naked-eye observations
Q34: According to the progression shown in the
Q38: Like Mars and Venus, Earth originally had
Q44: If star A has a temperature that
Q44: If a superior planet is observed from
Q46: The habitable zone for the Sun covers
Q52: Briefly explain the four different observational methods
Q57: Explain how astronomers use the Doppler effect
Q61: Kepler's third law is a relationship between