Answer:
The trick is the swim bladder, which is basically like an air-inflated balloon that can expand and contract depending on how much gas is inside. When the swim bladder expands it will increase in volume and therefore displace more water. This increases the fish's buoyancy and it will float upward.
Explanation:
These are called Landforms.
<span> D. energy storing
Photosynthesis uses energy from the sun to synthesize carbon-based molecules, that will serve as the energy for plants.</span>
The structure is calcium ions.