The predominant source of phosphorus is rock containing phosphate (phosphate rock). The graph below shows the world production between 1900 and 2009.
Some scientists estimate that available phosphorus reserves in the Earth will be completely depleted within approximately 100 years. Discuss the implications of these estimates.
a
production of fertilizers will decrease/price of fertilizers will rise
b
less food production / increase in cost of foods
c
development of alternative methods of agriculture
d
Phosphate needed by living organisms for nucleic acids/ATP so lack will affect growth negatively