Question

determine word meanings using known words and prefixes in-/im- and mid- — instruction — level c
what does \midstream\ mean?
across from a stream
the length of a stream
the middle of a stream
away from a stream

Explanation:

To determine the meaning of "midstream", we analyze the prefix "mid -", which means "middle". The word "stream" refers to a body of flowing water. Combining the meaning of the prefix and the root word, "midstream" should mean the middle of a stream.

Answer:

the middle of a stream