Air has a density of 0.001293 g/cm³. which of these gases would make a balloon float in air? check all that apply.

*nitrogen, density: 0.001251 g/cm³
*carbon monoxide, density: 0.001977 g/cm³
*helium, density: 0.000178 g/cm³
*carbon dioxide, density: 0.001977 g/cm³
*hydrogen, density: 0.9 g/cm³
*oxygen, density: 0.001429 g/cm³

How does a lytic infection differ from a lysogenic infection?

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

Which would be the most useful source of evidence to support mcneill's contention?