Magma. Magma can be made of many different materials, and once it breaches the earth surface it is called lava. Lava is what comes out of volcanoes, magma is what is still underground
Answer:
The answer is D. The labor force
Explanation:
Labor is the specific factor of production and payment is made in the form of wage.
The answer is 300.
Sorry this answer is so late, I was just learning about it! Hope it helps. :)