High pitch sounds make it close to oval window. low pitch further up basilar membrane near apex of cochlea<span>.</span>
There are three types of hazards
- physical such as knives, filet bone
- chemical such as cleaner, chlorine (chemical substances)
- biological such as bacteria, mold (live organisms)
Because filet bone is a physical hazard the answer is D (filet bone)
The answer is A. Chemosynthetic bacteria
It has less dense region and it is almost 3 dimensional.
Pollution, over population, anything that could be potentially harming the earth in the long term.