A C B
THAR U GO YEEEEEEEEEEEET
Ψδθ
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.
C. Dinosaur footprint as it is the only body part that is stated in the choices.
Hope this helps :)
Like D. Codon is the answer
