Well, biotic factors are living things in an ecosystem such as animals or insects. Abiotic factors are non living things in an ecosystem such as sunlight or temperature. I would say biotic factors would be more harmful since this includes bacteria or other diseases, not many abiotic factors would pose a great threat to the entire human species. Hope this helped.
Answer:
............. the need of _Nitrogen, phosphorus and potassium_
Explanation:
Each of these fundamental nutrients plays a key role in plant nutrition. ... It's also needed to help plants grow and develop normally. Phosphorus in commercial fertilizers comes from phosphate rock.
Answer:
It is B!!!
Explanation:
The whole quiz - because i got i believe 2 wrong cause of wrong people :/
1. C
2. D
3. B
4. C
5. C
A very large star of high luminosity and low surface temperature. Red giants are thought to be in a late stage of evolution when no hydrogen remains in the core to fuel nuclear fusion.
B) wavelength
Notice how Z goes from one wave's crest (top) to another's crest. Wavelength can also be measured from a wave's trough (bottom) to the next one's trough.
