I think this because they are getting much older and weaker so they’re bones tend to break down easily
Biotic are living organisms and abiotic are non living things such as rocks water soil
D. More collisions occur and the time required for the reaction decreases
This happens because according to collision theory, when energy (in this case, thermal energy) is applied to particles, they move/vibrate more quickly.
The answer is "elements" :)
It simply equals 4x-16.......
the expression is in lowest terms, so you can’t do anything else