The atom? gas? either one of those two would work
Energy holds them together.
Fatty acids aren't pure fat and same for glycerol molecules. You may not be consuming straight fat, but things that create fat in your system.
The correct option is this: PLANTS CAN BE USED TO MAKE MATERIALS.
Plants are very important living organisms and they can be used in diverse ways. Some plants can be used as foods, some plants are used as raw materials for making pharmaceutical drugs and other herbal products. Plants, such as cotton are used to make clothing materials and dead and decaying plants serves as fertilizer that add nutrients to the soil.
