Asked by Minh Anh Tr?n Ng?c on Jun 29, 2024
Verified
Which of the following is a source of phosphorus?
A) sulphur dioxide
B) runoff of animal wastes from feedlots
C) chlorofluorocarbon
D) acid rain
Phosphorus
A chemical element with the symbol P, essential for life, found in DNA, RNA, ATP, and phospholipids.
Sulphur Dioxide
A colorless gas with a sharp, choking smell, produced by volcanic activity or burning fossil fuels, and is a significant air pollutant.
Chlorofluorocarbon
A compound made of chlorine, fluorine, and carbon, used in refrigeration and aerosols, which contributes to ozone layer depletion.
- Identify the role of specific biogeochemical cycles (e.g., phosphorus, nitrogen) in supporting life on earth.
Verified Answer
KC
Karan CheemaJul 01, 2024
Final Answer :
B
Explanation :
Runoff from animal wastes contains phosphorus as it is a necessary nutrient for animal growth and metabolism. Sulphur dioxide, chlorofluorocarbon, and acid rain do not contain phosphorus.
Learning Objectives
- Identify the role of specific biogeochemical cycles (e.g., phosphorus, nitrogen) in supporting life on earth.