What are the products in this chemical reaction?

In which situations is the principle of cross-cutting relationship useful in determining relative age?

The transport tubes from food came down the plant are called?

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