Wine Metaphor, The Town Metaphor, Helen Loomis Metaphor, etc.....
Answer:
Biodegradable means it SHOULD be safe for the environment. Meaning it can break down into natural elements. However, this is uncertain as some materials don't break down as easily, with a possibility of not having much of a difference as non-biodegradable materials.
Explanation:
The answer is option “C”. A challenge is something that is hard.
