Phosphorus Cycle and Human Impact Quiz

What is the primary reservoir for phosphorus in the environment?

• Atmosphere

• Oceans

• Rocks

• Soil

How does phosphorus primarily enter the soil from its geological reservoir?

• Through plant decay

• Through animal waste

• Through rain and erosion

• Through volcanic eruptions

What process describes the formation of new rock from ocean sedimentation?

• Erosion

• Sedimentation

• Weathering

• Uplifting

Why is phosphorus commonly used in fertilizers?

• It is essential for plant growth

• It enhances soil texture

• It is a cheap mineral

• It repels pests

What environmental issue is caused by phosphorus-rich fertilizers?

• Soil erosion

• Deforestation

• Waterway contamination

• Air pollution