Cross contamination is the process by which bacteria or other microorganisms are unintentionally transferred from one substance or object to another, with harmful effect. So D. Is the correct answer.
B. the lungs and the kidneys
the lungs remove carbon dioxide and other substances from our body
and the kidneys remove harmful substances and waste material from our body. Mainly salt and urea
Answer:
C. How to calculate the number of calories in foods
Explanation:
In diets, Americans calculate the calories to see how many the put into there body in one serving
