If there are respiring organisms within that sample of air, the partial pressure of oxygen decreases because the organisms utilize it for respiration activities.
The organism or product that is being described in the sentence
above is chalk. This is the product that is formed with the use of the remains
of calcium carbonate. It has a mineral calcite and useful for writing or
drawing in smooth and writable surfaces.
Answer:
Mayra should be checked regularly for heart-related problems.
3- perform the functions of the cell
Hello!!
In the human digestive system, food enters the mouth and mechanical digestion of the food starts by the action of mastication (chewing), a form of mechanical digestion, and the wetting contact of saliva.
hope this helps!!
