Answer:
Biological
Explanation:
Storing food requiring a higher cooking temperature, this temperature pasteurizes the food that kills the bacteria inside it, and low temperature stops their growth. So, such biological contamination is seized by temperature variations.
All elements are made of atoms
They have identical characteristics. <span />
Answer: This electricity converts the oxygen molecule to ozone. Our equation is as follows: 3O2 + energy = 2O3.