instruction:
In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
question:
Question: Blood is made up of red blood cells, white blood cells, platelets, and what else? Answer: plasma
answer:
Blood is made up of red blood cells, white blood cells, platelets, and plasma.


question:
Question: Which of these can be mined from Earth and used as an energy source? Answer: Coal
answer:
Coal can be mined from earth and used as an energy source.


question:
Question: What is the earths crust composed of? Answer: igneuos rock
answer:

The earth's crust is composed of igneuos rock.