Please leave a comment with the choices and I will answer your question. If not I would start with a sun burn as the least and cancer as the most serious.
Both A and B are correct.
Expose your food to air – and in particular the oxygen in the air – and your shelf life will reduce. It's the oxygen in the air that allows bacteria and other bugs to grow and spoil the food. Or a process called oxidation can cause foods to go off – such as fats and oils becoming rancid.
Answer:
no correlation
Explanation:
There are different kind of correlations, the positive one is when one variable increases, the other one, also increases.
A Negative one is when a variable increases, the other variable decreases. Judith´s friends thought this will be the result but it was incorrect.
A no correlation like in this case, neither increases or decreases the other variable, because with or without heels the pain is steady.
