$10.$ True or False: The global distribution of phosphate rock reserves is evenly spread across all continents, ensuring equal access to phosphorus fertilizers worldwide.

$11.$ True or False: Split application of nitrogen fertilizer is a practice designed to increase the efficiency of nitrogen use by plants and reduce environmental impacts.

$12.$ True or False: The Haber$-$Bosch process for ammonia synthesis is directly responsible for fixing more than $50\%$ of the nitrogen used in the human body.

$13.$ True or False: Triple super phosphate fertilizer contains more nitrogen than monoammonium phosphate $($MAP$)$ and diammonium phosphate $($DAP$).$