2 ms·
I'm sorry I don't have a figure for you, but it doesn't have to be very thick. As the snow starts melting, the grime actually concentrates and becomes darker.
by mark-r 9y ago
I'm sorry I don't have a figure for you, but it doesn't have to be very thick. As the snow starts melting, the grime actually concentrates and becomes darker.
- jxramos 9y agothat's a great point, sort of like pen drawing on an inflated baloon, when it deflates the ink get super dark and concentrated.