By looking at which internal structure of a plant can you tell whether a plant is `C_(3) or C_(4)` ? Explain.

Explanation

To determine whether a plant is a C3 or C4 type by examining its internal structure, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Leaf Structure**:
- Examine the leaf anatomy of the plant. C4 plants exhibit a unique leaf structure known as **Kranz anatomy**. This structure is characterized by the arrangement of vascular bundles surrounded by a layer of bundle sheath cells.

2. **Look for Bundle Sheath Cells**:
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