Question

Where is oxygen content in a river or stream likely to be the highest

Answer 1

Answer:A stream

Explanation:because it is most likely to be more oxygen whe there is cold water not warm water

Answer 2

A) the source

Step-by-step explanation:

"Oxygen levels are higher at the source of rivers and streams, so organisms that require higher levels of oxygen will be found there. Organisms that require lower levels of oxygen will be found nearer the mouth."