Which of the following metals will melt at body temperature? Gallium, Magnesium, Caesium, Aluminium

Explanation

To determine which of the given metals will melt at body temperature, we can follow these steps:

### Step 1: Understand Body Temperature
Body temperature is approximately 37 degrees Celsius (98.6 degrees Fahrenheit). We need to identify which of the metals has a melting point lower than this temperature.

### Step 2: Check the Melting Points of the Metals
- **Gallium**: Melting point is about 29.76 degrees Celsius.
- **Magnesium**: Melting point is about 650 degrees Celsius.
...