The correct answer is option A and C i.e. Magma and erosion products
The magma is considered as a new product as it is formed from the lava that flows out of the volcano and is a new material produced periodically while the erosion products may not be produced at a particular place but since they are being carried away from some distant area they are new for the area where they are carried to.
Answer:hola no se cial es la respursta pero garcias por escucharme
Explanation:
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.