Question

is this sentence in active voice or passive voice? in 1949, the u.s. food and drug administration approved the first drug for the treatment of cancer: the chemical compound hn - 2. options: active voice, passive voice

Explanation:

Active voice has a clear subject performing the action. Here, "the U.S. Food and Drug Administration" (subject) directly performs the action "approved" on the object "the first drug...", with no passive construction (no "was/were + past participle" structure indicating the subject receives the action).

Answer:

active voice