Which of measurement of distance that is used around the world? 24 feet 30 miles 16 kg 500 meters

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.

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Modern weaponry has increased the number of deaths in wars and violent conflicts.