In the food pyramid the greatest biomass appears at the level of

Which sequence correctly shows the path of carbon dioxide during repiration?

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

2. which is the last step in the scientific method?