Answer:
C. Minerals occur naturally and have a fixed chemical composition.
I hope i can help
Answer:
Producers are an essential component of an ecosystem because they create food from inorganic matter for the consumers to eat. Plants like lichens and algae are key producers that convert water, sunlight, and carbon dioxide into carbohydrates. If not for producers, the consumers probably would not have as much or any food to eat!
Explanation:
Cnidarian is the answer for this question
Answer:
Wind pipe ( Where you breathe)
Explanation: