Which action could cause cross-contamination in a self-service area?

Cross-contamination in a self-service area may happen when there is bacteria on a kitchen that transfers to the food through direct contact. Usually in the culinary arts, the most common kitchen tools that tend to be cross contaminated is a knife or a cutting board. In fact it is not just bacteria that gets carried or transferred from one place to another but it could also be a virus or toxin of some kind or even a cleaning product but whatever it is, if it happens to come contact with someone’s food this is considered a cause for a cross-contamination.

i think it's b or c hope this

recent improvements in technology/telecommunication/internet have increased the pace of globalization.

explanation:

recent improvements in technology have enhanced the pace of globalization. it is not difficult to recognize that technology has created the human race one big issue. there are several aspects to technology but they all serve to meet us the further. i can beat and be friends with a fellow, thousands of miles away. technology has also bridged the knowledge gap and has presented for the ready transfer of ideas and values.