Appalachian Mountains are a part of the Lithosphere
The population increases due to the fact that birthrate becomes higher than the death rate.
Answer: Organs are grouped into organ systems, in which they work together to carry out a particular function for the organism. For example, the heart and the blood vessels make up the cardiovascular system.
Adenosine triphosphate. In Cellular Respiration, the cell <span>uses oxygen from the environment and converts each pyruvate to three molecules of carbon dioxide while trapping the energy released in this process in ATP.</span>