Suppose a particular glacier covers 100 km^2, and it loses 30 cm of depth in a decade. Approximately what volume (km^3 ) is lost? Show your work. plz help me!

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?