Cholecalciferol (vitamin D3) is NOT a true vitamin because:
A) it cannot be taken orally
B) it is made in our own bodies with the help of ultra-violet rays
C) it is not water- or fat-soluble
D) excess intake may cause toxicity
B) it is made in our own bodies with the help of ultra-violet rays
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Which dispersion pattern is a dome-shaped pattern in which some material stays on the surface, but the rest becomes airborne?
A. Cone B. Cloud C. Plume D. Hemispheric
What is a reportable quantity?
a. Involves any substance listed at 40 C.F.R. §302.4, and only substance listed at 49 C.F.R. §172.101, Appendix A, in an amount equal to or exceeding the reportable quantity is a hazardous substance b. Is identified in five amounts (5000 lb (2270 kg); 1000 lb (454 kg); 100 lb (45.4 kg); 10 lb (4.54 kg); and 1 lb (0.54 kg)) c. If identified, the reportable quantity must be listed on the shipping papers d. All of these