Plants and animals get the nitrogen they need

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.

Evaluate this exponential expression,8. (2 + 3)2 – 42

Ihat will happen if i added baking soda to vinegar