Ask your own question, for FREE!
Biology 18 Online
OpenStudy (anonymous):

A depression in the ground due to a cave collapse or acidic water dissolution of limestone is called a

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!