Answer:
The lungs and respiratory system allow oxygen in the air to be taken into the body, while also letting the body get rid of carbon dioxide in the air breathed out. When you breathe in, the diaphragm moves downward toward the abdomen, and the rib muscles pull the ribs upward and outward.
Explanation:
Answer: D
Explanation: pH = - log( c). If c= 1.0 M. PH = 0, if c=0.001 M. PH = 3
Answer:
Since I already answered the first two I will tell you the third one!
In general, the radiation heat transfer from one surface to another is the radiation leaving the first surface for the other minus that arriving from the second surface. Radiation heat transfer is mediated by electromagnetic radiation, known as thermal radiation, that arises due to the temperature of a body.
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The question's incomplete unfortunately, which observations?