Answer:
pathogens → exposure → sickness sicknessjust took the test the test and its correct
Explanation:
Chlamydia is a primary pathogen
Oxygen in the air can cause sliced fruit to brown, a process called enzymic browning (an oxidation reaction). Phenols and the enzyme phenolase are found in the cells of the apple, and when these are exposed to oxygen in the air, for example through slicing, the oxygen causes a reaction.
