Answer:
Explanation:
There must be a lot of producers due to the fact that only 10% of energy passes onto the next level. The producers need to keep up with the energy supply so there are many of them.
<span>During the tracheoesophageal puncture process a prosthesis is inserted into the trachea. This procedure is used to help patients find their voice. Things such as throat cancer, or laryngeal cancer may cause patients to lose their voice and main form of communication. With a tracheoesophageal puncture it gives patients a new way to communicate with others, through a vibratory signal.</span>
Answer:
I'm thinking b) but i'm not really sure...sorry:(
Explanation:
