Examlex
If one was able to view the developing embryo and fetus,at which stage of the pregnancy would the gender of the baby be distinguishable for the first time?
Slate
Slate is a fine-grained metamorphic rock that can be split into thin layers, often used for roofing, flooring, and historical writing tablets.
Nonmetallic Mineral
Minerals that lack metallic properties, often used in construction and manufacturing, such as sand, gravel, and precious stones.
Phosphates
Mineral salts containing the phosphate ion, used in fertilizers, detergents, and as a dietary supplement.
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