Answer:
Fossil formation begins when an organism or part of an organism falls into soft sediment, such as mud. The organism or part then gets quickly buried by more sediment. As more and more sediment collects on top, the layer with the organism or part becomes compacted.
Explanation:
<span>Echinoderms are marine invertebrates, they dwell under the sea unlike that of others that mostly live in land.
<em>Hope this helps:)</em></span>
If the element has a atomic number of forty-four then the amount of neutrons would be "fifty-seven." This element is actually called Ruthenium and it has forty-four protons, and electrons, and it has fifty-seven neutrons and you can determine this by using this equation then solve:
![44 + N = 101](https://tex.z-dn.net/?f=%2044%20%2B%20N%20%3D%20101%20%20%20)
![= 57](https://tex.z-dn.net/?f=%20%3D%2057%20)
Hope this helps!