The four major clouds groups are: low, middle, high, and clouds with vertical development. Parsing the groups further, clouds can be labeled according to outward appearance and composition. Which term identifies rain-bearing clouds?
If you enjoyed taking this interactive quiz and would like to see more like it, go to the AVweb Brainteaser page. And if you thought it was unfair, confusing, or a waste of time, we'd like you to tell us that, too. And if you have an idea for a subject that you think would make a good future Brainteaser quiz, be sure to let us know.