Which describes the average velocity of a unicycle going around in circles? O A. The total displacement divided by the time.
B. The average acceleration divided by the time.
O C. Every time the unicycle returns to its starting point, the average
velocity equals zero.
O D. The slope of the acceleration vs. time graph.

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.