Answer:
To stay inflated, the lungs rely on a vacuum inside the chest. The diaphragm is a sheet of muscle slung underneath the lungs. When we breathe, the diaphragm contracts and relaxes. This change in air pressure means that air is 'sucked' into the lungs on inhalation and 'pushed' out of the lungs on exhalation.Explanation: hope this helps
Answer:aI. 0.67. aII. Anomalous result 0.1, 20 deg, trial 2 aIII. Area increases with temperature. bI. Results support the hypothesis. bII. light intensity and duration; water conditions: pH, CO2/O2 concentration, circulation, nutrient levels, other organisms
Explanation:
missing mean = (0.6+0.6+0.8)/3=0.67
others, self-explanatory.
Answer:
D-A-C-B
Explanation:
In that order to save this mans life.