Hey can someone please help will mark brainliest A mechanical ventilator in a hospital is designed to assist in breathing. It will deliver oxygen-
carbon dioxide balanced air to the patient at a prescribed rate. Why is carbon dioxide included in
this mixture?
of
Select one:
O a. Carbon dioxide stimulates the medulla oblongata in the brain.
O b. Pure oxygen causes the formation of nitrogen bubbles in the blood.
O c. Pure oxygen cannot be absorbed by the lungs unless diluted with other gases.
O d. Carbon dioxide is necessary to reduce the breathing rate of the patient.

Listed in the item bank are some key terms and expressions associated with the categories seen in the venn diagram. to find out more information about items, some have more details available when you click on them. drag and drop each item onto the proper area of the diagram. if an item describes more than one category, be sure to place it in the overlapping space. viruses are tiny infectious pathogens that cause many different diseases, such as polio, and the flu. though they are similar to one celled organisms in some ways, in many ways they are very different. use the venn diagram below to show the similarities and differences between viruses and living organisms.

How does human environment effect the biosphere

What noticeable trend from this graph might be used to make a conclusion?