Where do rivers usually begin?

at the ocean
at groundwater outlets
in mountainous regions
in lakes and larger rivers

PLEASE MARK BRAINLIEST

in mountainous regions

Explanation:

where rain water or snow collects and forms tiny streams called gullies

Good luck!

moutain regions

Explanation:

the cover letter for a job search includes the skills one has for the particular job. including a cover letter is always a good idea, as it describes the ability to perform a task, and the employer can easily fetch the intention of the job you want to do.  

the cover letter is very important to be included in the job search document. hence, i strongly with the statement.