all of the above can be considered ecosystems
Sublimation is a straight transition from solid to gas. This occurs in dry ice as it the ice, which is a solid state, does melt and have a liquid form. Therefore it is called dry ice as it doesn’t produce any liquid
A biogeochemical cycle is a pathway by which a chemical substance moves through both biotic and abiotic compartments of earth
C. Hinge is the correct answer your welcome
Bones of snakes are very loosely fused together like in humans. Hence these bones can move individually allowing the snakes to be really flexible. The ribs of snakes do not join like those of humans but instead, have free ends and do not have a sternum.