Examlex
Scientists have several hypotheses for why the Cambrian explosion occurred. Explain three of the hypotheses.
Typewriters
Mechanical or electromechanical machines that were used for writing; they have keys for producing letters and symbols on paper, and were widely used before the advent of personal computers.
Less Pay
A situation where an individual or group receives lower wages or salary compared to others, often relating to disparities or injustices in employment.
Stopwatch
A handheld timepiece designed to measure the precise amount of time elapsed from its activation to deactivation.
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