Any flow of water occurring between well-defined banks is defined ...

[danielfitts88]

Any flow of water occurring between well-defined banks is defined by geologists as
 a. a stream.
  b. a meander.
  c. a lake.
  d. none of these.

Question 2

A depression on the land surface caused by the collapse of a cavern is called
 a. a sinkhole.
  b. a shrink pit.
  c. a culvert.
  d. none of the above.

[jliusyl]

Answer to Question 1

a

Answer to Question 2

a

[danielfitts88]

Thanks for the timely response, appreciate it

[matt95]

Gracias!