What happened to the peppered moths of Manchester, England when industry boomed and coal smoke darkened the light grey bark of the trees?​

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

Drag the correct tiles to the image. not all tiles will be used. the diagram is a schematic representation of the electron transport mechanism in mitochondria. label the diagram to complete the model.

When ash and dust begin to settle on the ground, they eventually become compacted by