The statements below are false. For each statement, replace the underlined term to make a true statement.
Radioactivity involves the joining of nuclei.

Explanation

To correct the false statement "Radioactivity involves the joining of nuclei," we need to replace the underlined term "joining" with a term that accurately describes the process involved in radioactivity.

### Step-by-Step Solution:

1. **Understand the Term "Radioactivity":**
- Radioactivity refers to the process by which unstable atomic nuclei lose energy by emitting radiation. This process involves the disintegration of these unstable nuclei.

2. **Identify the Correct Process:**
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