Examlex
How many equivalents are present in 5.0 g of Al3+?
Carbon Dating
A method used to determine the age of an object containing organic material by measuring the decay rate of carbon-14 isotopes.
Rock Layers
Strata or beds of sedimentary rock that have been deposited over time, providing clues to Earth's geological history.
Hominins
Members of the human lineage, including modern humans and all our direct ancestors, characterized by bipedalism and larger brain sizes than other primates.
Homo Sapiens
The scientific name for modern human beings, characterized by a capacity for language, social structure, and tool use.
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