Answer:Hello My name is Marissa and im here to help!
Preservatives are natural or man-made chemicals that are added to foods to stop them from spoiling.
Explanation:hope this helps! brainliesst?
Because the molecules that are being transported is moving against its concentration gradient. in other words, its moving from where its low in concentration to where its high in concentration
The answer to this is, they both are commensalism.
