Witch example is always single stranded

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

Which statement best compares aerobic and anaerobic respiration

What if the yeast were extremely active and produced more than 100ml gas. would you know? why/why not