Question

Fill in the blank with articles. Copper is useful metal.​

Answer 1

Answer:

An.

Explanation:

please give me brainlist answer

Answer 2

Answer:

Copper is a useful metal. "A" is used for words which begins with a consonant sounds and "An" is used for words which begins with a vowel sound like a,e,i,o,u. Using "A" or "AN" depends upon the sound rather than its spelling.