To estimate the prevalence of vitamin D deficiency (25(OH)D) <50 nmol/L among recently arrived immigrants from Africa and Asia in Oslo, and to explore 25(OH)D levels according to origin, gender and age.
Answer:
False
Explanation:
Supersatured solutions can be created by heating the liquid to it's boling temperature. When the solvent gets hot, the molecules have more space to move around, and there is more space for solute molecules between them. You can keep stirring in any solute, and it will continue to dissolve, even though the saturation point has been reached.
Answer:
Animals get rid of nitrogen by converting it int urea uric, acid and ammonia.
Explanation: