Answer: Racial classification
Explanation: Racial classification can be defined as the way humans are classified based on their physical and social traits which they have such as how they look, their skin color, hair texture, the native languages they speak.
Scientists used racial classification to learn how unique and different humans are.
Answer:
Cellular respiration
Explanation:
The point of cellular respiration is to get energy for the cell. ATP is the "energy currency" of the cell that enables it to function at normal levels. In cellular respiration, a process called <u>glycolysis</u> breaks down glucose to obtain large amounts of ATP.
