Phosphorus cycle

Phosphorus does not exist in the atmosphere.

• yes

• no

The phosphorus

cycle is the series of processes that move phosphorus among Earth

systems.

• yes

• no

The phosphorus

cycle is the series of processes that move carbon among Earth

systems.

• yes

• no

The processes in the

phosphorus cycle help move phosphorus through the

geosphere, the hydrosphere, and the biosphere.

• yes

• no

The processes in the

phosphorus cycle help move phosphorus through the

atmosphere.

• yes

• no

Phosphorus

does not exist in nature as an element.

• yes

• no

Phosphorus exist in nature as an element.

• yes

• no

Earth’s phosphorus starts

out in the geosphere.

• yes

• no

Rocks exposed at Earth’s surface release

phosphates when they weather.

• yes

• no

Dissolved phosphate molecules move in liquid water

through the water cycle.

• yes

• no