The dating technique which was used to establish the age of the volcanic ash at the Laetoli site is: potassium-argon (K/A) dating.
<h3>What is absolute dating?</h3>
Absolute dating can be defined as a radioactive process that is typically used to accurately determine the age of a rock, volcanic ash or fossil, by measuring the decay of the isotopes that is associated with the rock or within the fossils.
Thus, scientists can accurately determine the age of a volcanic ash, rock or fossil by measuring its isotope concentration such as through the use of potassium-argon (K/A) dating.
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A renewable energy source is a natural resource on Earth that can be naturally replenished in a short period of time. Wind is considered clean and renewable because it will not produce harmful pollutants or emissions and won't harm our ecosystem!
A cold front forms when cold air moves into an area occupied by warmer air
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The apartheid era in South African history refers to the time that the National Party led the country's white minority government, from 1948 to 1994.
two forms of democracy. One is direct democracy, in which all eligible citizens have direct participation in the decision making of the government. The second and more common form of democracy is representative democracy, in which citizens exercise their power through elected representatives.
