Which abiotic factor is the biggest difference between the marine and freshwater biomes a. sharks
b. salinity
c. temperature
d. coral reefs

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 diagram shows the ionic compound of magnesium oxide

An observation that requires measurement is called quantitative observable or qualitative