Examlex
What does the body produce when the amount of calcium in the blood is low?
Hand Axe
A prehistoric stone tool with two faces that was used for chopping, cutting, and scraping, characteristic of the Lower Palaeolithic period.
Bifacial Chopper
A type of prehistoric stone tool with sharp edges on both sides, used by early humans for cutting and chopping.
Hominin Tools
Artifacts made by early humans and their predecessors used for various purposes like hunting and tool-making.
Million Years Ago
A time scale used to describe events or phenomena that occurred a specific number of millions of years in the past.
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