It is facial acne because that is what is common in both boys and girls.
Answer:
External, Internal, and Cellular Respiration
Explanation:
-Three types of respiration include <u>internal, external, and cellular respiration</u>.
-External respiration is the breathing process. It involves inhalation and exhalation of gases.
-Internal respiration involves gas exchange between the blood and body cells.
-Cellular respiration involves the conversion of food to energy. Aerobic respiration is a cellular respiration that requires oxygen while anaerobic respiration does not.
Answer: Photosynthesis is an anabolic reaction because it combines simple molecules into more complex molecules.
Explanation:
