Upper panels: relationships between the slope and A_V for the static-with-scattering and dynamic-with-scattering models (left and right, respectively) at different inclination angles. Diamonds indicate simulation snapshots at t = 0.05, 0.25, 0.5, 1, 3, and 10 Gyr, with sizes increasing with time. Solid lines connect diamonds at each inclination angle, representing evolutionary tracks. Gray and purple contours illustrate 25th, 50th, 75th, 95th, and 99th percentiles for the galaxies from the GSWLC observational catalog (Salim et al. 2018) and the Large Early Galaxy Astrophysics Census survey (Barišić et al. 2020), respectively. The blue symbols indicates the observational measurements made for high-redshift galaxies from the REBELS ALMA large program (Fisher et al. 2025). Lower panels: relationships between the bump and A_V for static-with-scattering and dynamic-with-scattering models (left and right panels, respectively).