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: What process is most responsible for the extinction of most species of plants and animals that have lived on Earth? Answer: environmental changes
answer:
Environmental changes is most responsible for the extinction of most species of plants and animals that have lived on earth.


question:
Question: What is the process by which organisms change in small ways over time? Answer: microevolution
answer:
Microevolution is the process by which organisms change in small ways over time.


question:
Question: What makes breathing difficult due to respiratory system disease? Answer: narrow air passages
answer:

Narrow air passages make breathing difficult due to respiratory system disease.