Phosphorus: The Essential Element

What is the primary use of phosphorus in the world today?

• Construction

• Agriculture

• Medicine

• Technology

Who discovered phosphorus and what was he originally trying to find?

• Isaac Newton, Silver

• Albert Einstein, Uranium

• Hennig Brand, Gold

• Marie Curie, Radium

Which region holds the largest reserves of phosphate rock?

• Western Sahara

• North America

• Eastern Europe

• Australia

What percentage of phosphorus used in agriculture actually ends up in the food we eat?

• 75%

• 50%

• Less than 20%

• 90%

What environmental issue is caused by the runoff of phosphorus into water bodies?

• Eutrophication

• Desertification

• Acid Rain

• Deforestation

What innovative solution is Jenna Senecal working on to recycle phosphorus?

• Electric cars

• Wind turbines

• Urine-diverting toilets

• Solar panels

What percentage of global phosphorus demand could be replaced by recycling urine?

• 15%

• 8%

• 5%

• 2%

What is one of the most scalable solutions for phosphorus recycling mentioned in the video?

• Mining more phosphate rock

• Burning fossil fuels

• Using more chemical fertilizers

• Extracting phosphorus from wastewater

What role do AM fungi play in phosphorus absorption?

• They block phosphorus absorption

• They enhance phosphorus absorption

• They have no effect on phosphorus

• They reduce soil fertility

What recent legislative change in the EU could help with phosphorus recycling?

• Banning chemical fertilizers

• Legalizing phosphorus from sludge

• Prohibiting phosphorus imports

• Subsidizing phosphate mining