Molten matter thrown out from under the earth

Options

A. magma
B. lava
C. volcano
D. core

Explanation

To answer the question about what molten matter is thrown out from under the earth, we can follow these steps:

### Step 1: Understand the Terms
- **Magma**: This is the molten rock that is found beneath the Earth's surface. It is extremely hot and can be in a liquid or semi-liquid state.

### Step 2: Identify the Process
- When magma rises to the Earth's surface and erupts, it is expelled as molten rock.

### Step 3: Define the Resulting Material
- **Lava**: Once magma reaches the surface and erupts, it is referred to as lava. This is the molten matter that flows out from the inner part of the Earth during a volcanic eruption.

### Step 4: Consider Other Options
- **Volcano**: This is the structure or opening through which lava, ash, and gases are expelled from the Earth.
- **Core**: This refers to the innermost layer of the Earth, which is composed of iron and nickel, and is not molten matter that is expelled.

### Conclusion
Based on these definitions and processes, the molten matter thrown out from under the Earth is called **lava**.

### Final Answer
**Lava**

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