We wouldn’t have the resources we need to get through life such as cooking food, clothing for when we get cold, weapons to protect ourselves, and generally things to keep us alive. If we didn’t have fire we wouldn’t be able to stay warm, and healthy. If we didn’t have weapons like steel, iron, wood, we couldn’t make those things in to self defense mechanisms.
Infinitives in the English language are relatives easy to spot. You just have to locate the word TO followed by a verb.
Here, the infinitive is to eat.
There is another TO in the sentence (to music), however, the word music is not a verb, which means that <em>to music </em>is not an infinitive.
Limestone is a sedimentary rock and marble is a metamorphic rock.
