<span>The answer is a. carbohydrates. The amount of potential energy in the molecule depends on the number of C-H bonds in the molecule. Carbohydrates have more C-H bonds. Thus, they can serve as energy storage. Other macromolecules have less C-H bonds. Thus, when energy is needed immediately, complex carbohydrates break down to simple carbohydrates and the energy is released.</span>
Any formation in which groundwater rises on its own, under pressure, is called artesian well.
<span>They do not possess any skeleton at al</span>
The instrument of choice would be the the clam shell sampler, which is also know as a grab sampler. Another instrument they use is the piston corer which is an open tube on a cable that gets dropped from a ship.
<h2> hope it helps.</h2><h2>stay safe healthy and happy.</h2>