Hazardous Chemical” Simple Definition -- elements, chemical compounds, or. mixtures of elements and/or compounds which poses potential risk to safety or health. Regulatory Definition - means any chemical which. presents a physical hazard or a health hazard.
Laboratory is a place to information about the hazards that are associated with a compound.
The embryonic endoderm<span> develops into the interior linings of two tubes in the body, the digestive and respiratory tube. the </span>lining<span> of the follicles of the thyroid gland and the</span>epithelial<span> component of the thymus (i.e. thymic </span>epithelial<span> cells). Liver and pancreas cells are believed to </span>derive<span> from a common precursor.</span>
Answer:the tough outermost membrane enveloping the brain and spinal cord
Explanation:
