4. 159 feet: 180-(264-180)/4
5. b: lines are closer together
6. c as already explained
B. I gives evidence that the continents used to be connected.
Answer:I think that answer is b
Explanation:
Explanation:
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.
The answer is C. Maybe im not sure