`"____________"` element can be obtained from both mineral and non-mineral sources.

Explanation

To answer the question, "____________" element can be obtained from both mineral and non-mineral sources, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Elements**: The question asks for an element that can be sourced from both mineral and non-mineral origins. Common elements in biology include carbon, sulfur, and oxygen.

2. **Understand Mineral Sources**: Mineral sources refer to naturally occurring inorganic substances. For example, minerals like sulfates can provide sulfur, and carbonates can provide carbon.

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