Answer:
The formal tone indicates that the topic possesses real-world importance.
Step-by-step explanation:
The author uses a formal tone in his text to show a real problem that happens in the world that we, in the comfort of technology, do not know exists. The author talks about how poverty and poor quality of life has put people in various places in the world in situations where cooking, which should be a moment of relaxation between families, has become a very dangerous thing for health.