Which of the following is closest to the speed of sound in air at sea level ?
a.3 m/s
b.30 m/s
c.330 m/s
d.3300 m/s

The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?

What feature of cell theory is best demonstrated in the image

If water is at -10 ° c and energy is added to the water until it is 50 ° c while maintaining a constant pressure of 760 mmhg, describe the phase change of the water?