What is the electron transport chain, and what is its purpose?

Acquired mutations can result from radiation pollution toxins inheritence select all that apply

Isolated volcanic peaks on the ocean floor are

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters