A physician who specializes in treatment of the gums is called a periodontist.
Answer:
<h3>The continuous process by which carbon is exchanged between organisms and the environment. Carbon dioxide is absorbed from the atmosphere by plants and algae and converted to carbohydrates by photosynthesis. ... The carbon cycle is thought to be the source of significant amounts of energy in the Sun and other stars</h3>
Answer:
Front the atmosphere that's from environment
Answer:
Homeostasis
Explanation:
It is a process that living things use to actively maintain fairly stable conditions necessary for survival.