Answer:
D
Explanation:
You need both, independant and dependant variables for a hypothesis.
Answer:
103.7 grams
Explanation:

Al: 1 * 26.98 = 26.98
O: 2 * 16.00 = 32.00
H: 2 * 1.01 = 2.02
26.98 + 32.00 + 2.02 = 61.00
*
= 103.7 grams of 
There are 3 major parts of therespiratory system: the airway, the lungs, and the muscles of respiration. The airway, which includes the nose, mouth, pharynx, larynx, trachea, bronchi, and bronchioles, carries air between the lungs and the body's exterior. The lungs