urea (carbamide) molecule. used in cosmetics, fertilizer; present in urine

urea ureum carbamide urine carbonyl amide diamide fertilizer cycle ammonia ammonium kidney agriculture crop nutrient npk urease skin cream moisturizer rehydration dermatology blood plasma test breath helicobacter carbon hydrogen oxygen nitrogen molecule atoms atomic model molecular compound composition chemical chemistry bond structure formula blackboard chalkboard chalk written writing drawing background ring line skeletal flat icon stylized style