Disaccharides form when two monosaccharides undergo a dehydration reaction (a condensation reaction); they are held together by a covalent bond. Sucrose (table sugar) is the most common disaccharide, which is composed of the monomers glucose and fructose.
I believe the answer is none of these. The mousterian is defined by stone-knapping known as levallois. Mousterian burials are supported by morturt behavior and are not complex. The burials represented the individual who are singled out for treatment by mortuary. Most burials were done in caves and shelters where adults were mostly buried at the center.<span />
Ventilation is the process by which air moves in and out of the lungs.Diffusion is the spontaneous movement of gases, without the use of any energy or effort by the body, between the gas in the alveoli and the blood in the capillaries in the lungs.