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.
B. To explain how things work
Answer:
the answer is
b. it carries blood towards the heart
Answer:
D) Comes from oil rigs in the Atlantic Ocean!
Explanation:
