Answer:
B
Explanation:
Metabolic waste is eliminated from an organism.
Most fish exchange gases using gills on either side of the pharynx (throat). Gills are tissues which consist of threadlike protein structures called filaments. These filaments have many functions including the transfer of ions and water, as well as the exchange of oxygen, carbon dioxide, acids and ammonia.
Break down food.............................
If a family did not have a female heir then all wealth would pass to the nearest male relative. This explained why the goal of every Greek wife was to produce a male heir. Boys used to cut their hair and offer to gods before becoming men. The men were expected to keep their bodies in shape because they could go to war at any time.
The correct answer is Chemical. Because two substances are reacting and creating a new substance.
