Which of the following is an accurate statement about sundogs?
A. They are caused by reflection and scattering.
B. They are composed of three colours.
C. They always occur in pairs.
D. They require ice crystals with a specific spatial orientation.
Answer: D
You might also like to view...
Which of the following chemical pollutants can cause harmful algal blooms?
A) Caffeine B) Methyl mercury C) Fertilizer D) Polycyclic aromatic hydrocarbons E) Prescription drugs
________ is the critical temperature at which saturation is reached
A) Absolute humidity B) The dew point C) The flash point D) Specific humidity E) Relative humidity
At almost any scale, the most prominent environmental constraints on biota are exerted by various ________ factors
A) edaphic B) soil C) topographic D) air pollution E) climatic
Most atolls began as ________ around volcanic islands which later subsided beneath the sea
A) fringing reefs B) dolines C) polyps D) tombolos E) spits