Global warming. if the world pollutes too a certain level of extreme , a new ecosystem would do some good
Answer:
chickens
Explanation:
there are 25.9 billion of them
Answer:
Grass
Explanation:
Biotic means living. There are some obvious abiotic factors here. The only gray area is what "soil" encompasses
grass-Biotic means living, all of the other choices are not living, and would therefore be abiotic factors
This is because it is a living thing (performs photosynthesis and cellular respiration).
Biotic means living, all of the other choices are not living, and would therefore be abiotic factors