Dwarf planets revolve around the sun (regardless of their size) as other planets do (ex. Pluto)
Because this body orbits around another planet, Neptune, and is with the Kuiper Belt, I would assume it is actually a moon
The answer is d:the large ears of the desert rat give off heat. Choice a,b, and c are behavioral adaptations.
The answer is D, photosynthesis and respiration.
—Evidence—
Oxygen is a byproduct of photosynthesis and, correspondingly, carbon dioxide the byproduct of respiration.
Oxygen gives our cells the ability to break down food in order to get the energy we need to survive. Although other animals may use different organs to breathe with, they all get oxygen into their bodies through respiration.
B.
All dentist equipment is used in the mouth. Many deseases, bacteria and viruses are transmitted trough saliva, and not all of these are weak. So, that is why we clean the dental operatory, to lower the chances of transmitting anything.
Hope it helped,
BioTeacher101