Answer:
You need to post a picture of the solid! Please attach it and I can tell you the answer.
Produced cameras and binoculars
<span>There
was development of super continent Gondwana after Pannotia broke up. This led
to a largest number of creatures evolving such as algae and the armored
arthropods like trilobites. This period was referred to as Cambrian period in
the first Paleozoic era.</span>
