Answer:
26585375
Step-by-step explanation:
Answer: Bladder
Step-by-step explanation:
The walls of the bladder contain very few blood vessels and are lined with guanine crystals, which make them impermeable to gases. By adjusting the gas pressurising organ using the gas gland or oval window the fish can obtain neutral buoyancy and ascend and descend to a large range of depths.
Answer:
one half or 1/2
Step-by-step explanation:
do your rise over your run on the graph.