How would one convert 15 seconds to hours? A. 15 seconds
3600 seconds
1 hour
B. 15 seconds x
3600 seconds
3600 seconds
O C. 15 seconds
1 hour
O D. 15 seconds x 60 seconds

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.

What semimetal can form four single covalent bonds.

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.