Which gas found in water do fish, clams, and snails use in order to breathe?

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.

Which food could be transported in a galvanized metal container?

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.