Soils are made up of a mineral portion, an organic portion, air and water. What is meant by the
word organic?
nonliving, mineral in composition
composed of several organs
material that was produced by or was/is part of a living organism
musical in nature; played on the organ

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.

Calculate the number of molecules present in 0.750 mol of mgo.

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a