Answer:
The answer is the respiratory system
Explanation:
The function of the respiratory system is to move two gases. These two gases are called oxygen and carbon dioxide. Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them.
Answer:
Atoms are single neutral particles. Molecules are neutral particles made of two or more atoms bonded together. An ion is a positively or negatively charged particle.
The answer would be B
Explanation: There is more Newton force pushing it and since it's on a flat surface it moves more than a higher kg weight block.
