1. Mobiliary Art: Definition, Characteristics, Types, Examples

    www.visual-arts-cork.com/prehistoric/mobiliary-art.htm

    Mobiliary Art (40,000-2,500 BCE): Prehistoric Portable Artworks, Statuettes and Carved Objects

  2. Cross-check - definition of cross-check by The Free …

    https://www.thefreedictionary.com/cross-check

    Define cross-check. cross-check synonyms, cross-check pronunciation, cross-check translation, English dictionary definition of cross-check. v.t. 1. to determine the ...

  3. Speleothem - Wikipedia

    https://en.wikipedia.org/wiki/Speleothem

    Origin and composition. 319 variations of cave mineral deposits have been identified. The vast majority of speleothems are calcareous, composed of calcium carbonate ...

  4. How accurate are Carbon-14 and other radioactive dating ...

    https://christiananswers.net/q-aig/aig-c007.html

    Discussion on the inaccuracies found using the Carbon-14 dating method, and the various other radioactive dating methods. Plus evidence for …

  5. Year - Wikipedia

    https://en.wikipedia.org/wiki/Year

    A year is the orbital period of the Earth moving in its orbit around the Sun. Due to the Earth's axial tilt, the course of a year sees the passing of the seasons ...

  6. Cave Painting, Prehistoric: Characteristics, Origins, Types

    www.visual-arts-cork.com/prehistoric/cave-painting.htm

    Stone Age Cave Painting (40,000-10,000 BCE): Polychrome Animal Paintings: Chauvet, Lascaux, Altamira

  7. Radioactivity, Who Discovered Radioactivity? | …

    chemistry.tutorvista.com/nuclear-chemistry/radioactivity.html

    Radioactivity is a nuclear phenomenon. It is the spontaneous emission of radiation from the nucleus.

  8. Thorium - Geoscience Australia

    www.ga.gov.au/scientific-topics/minerals/mineral-resources/thorium

    Thorium is a naturally occurring slightly radioactive metal, three to five times more abundant than uranium. The most common source of thorium is a rare earth ...

  9. geology | science | Britannica.com

    https://www.britannica.com/science/geology

    geology: The fields of study concerned with the solid Earth. Included are sciences such as mineralogy, geodesy, and stratigraphy. An introduction to the geochemical ...

  10. Год — Википедия

    https://ru.wikipedia.org/wiki/Год

    Год — внесистемная единица измерения времени, которая исторически в большинстве культур ...