Which activities are included in the management of water resources? Check all that apply.

planning how to transport water
using technology to purify water
studying the composition of water
building structures to store water
determining the selling price of water

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer

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?

During the process of blank and molecules such as a glucose must use a protein channel to cross through a cell membrane