its shell is made of amorphous silica (not crystalline- without a crystalline structure). its shape and hardness in the fossilized form are important to how it works. its hardness keeps it from dissolving in liquid. the diatom's tubular shape and holes along the diatom's wall allow it to absorb moisture...
environmental & social responsibility the footprint chronicles years of organic cotton your browser's javascript functionality is turned off. please turn it on so that you can experience the full capabilities of this site. tim davis years of organic cotton in , we made the decision to take a stand against chemically...