Examlex
For an object in uniform circular motion,its velocity and acceleration vectors are always perpendicular to each other at every point in the path.
Brain Evolution
The process through which changes occur over time in the brain structure of different species, contributing to the diversity of cognitive abilities and behaviors.
Evidence
Information or facts that are used to support or refute a claim or belief.
Four Million Years
Represents a time period in Earth's history used in various scientific contexts, often related to evolution or geological events.
Classification
The systematic organization of living organisms into categories based on shared features or evolutionary relationships.
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