Silica
silicon
the adult skeleton is composed of?
An appendicular skeleton is composed of 126 bones of the appendages, and pectoral and pelvic girdles.
Urine is composed of water, urea, and excess mineral salts.
Diatom cell walls are composed of silicon dioxide.
siliceous mineral
silicon
Diatom exoskeletons, or frustules, are made from silica. To get a clearer insight into this material Go to the related link (AFM maps the diatom exoskeleton) below.
A hydraulic skeleton is composed of muscle and fluid.
the adult skeleton is composed of?
bone
Cartilage
Cartilage
An appendicular skeleton is composed of 126 bones of the appendages, and pectoral and pelvic girdles.
Carbon
No. A native mineral is composed of only one element. Ice, the mineral, is composed of two -- hydrogen and oxygen.
Urine is composed of water, urea, and excess mineral salts.