Since we can't see your choices we can only do so much to help you unfortunately. However, the word abiotic means non living. So if it's saying which is NOT an example of an abiotic factor, then your answer would be the choice that has to do with living. For example, plants, animals, etc.
I think calcium but i could be wrong
The answer is the first one because it doesn't create gases and, the third one doesn't even make any sense so its definitely not that one
Answer:
when reproducing a plant by ____, you can use the stem, root, or leaf.
Explanation:
* cutting
