Where can bacteria be found?

Bacteria are indeed found everywhere in our environment, which makes "everywhere" the correct choice. They exist in soil, water, air, on surfaces, and inside living organisms, including humans. This pervasive presence of bacteria is a fundamental part of ecosystems, contributing to various processes like decomposition, nutrient cycling, and even some beneficial functions within the human body.

While bacteria can be found on your skin, in your nose, and under your fingernails, these examples reflect specific locations rather than capturing the entirety of where bacteria can exist. The reality is that they inhabit a vast array of environments, including those not directly connected to human beings. Therefore, recognizing that bacteria are ubiquitous provides a clearer understanding of their capacity to affect food safety and public health, emphasizing the importance of maintaining proper hygiene and cleanliness to minimize risks.