DIATOMACEOUS EARTH IS MADE OF THE CRUSHED, FOS-CALLED THE LEARN TO...

20. Diatomaceous earth is made of the crushed, fos-called the Learn to Swim Program that beginssilized skeletons of aquatic organisms, and iswith a class calledused primarily as protection for stored grain inb.The American Red Cross’s Learn to Swim Pro-many parts of the world.gram begins with a class calleda.organisms, and is used primarily as protectionc. The American Red Cross offers a program thatfor stored grain in many parts of the world.is called the Learn to Swim Program thatbeginsb.organisms, so it is used primarily as protectiond.The American Red Cross is an organizationthat offers a program that is called the Learnc. organisms, but is used primarily as protectionto Swim Program that begins with a classcalledd.organisms: and it is used primarily as protec-tion for stored grain in many parts of thee. The American Red Cross offers a programworld.e. organisms, when is used primarily as protec-