The particles in a sand dune deposit are small and very well-sorted and have surface pits that give them a frosted appearance. This deposit most likely was transported by

Hello there! i assume it is option e.  without carbon-14, it will be an impossible task to estimate the age of the fossil.hope this you! good luck : )  - hannah  ❤

Ithink its d.stratum

The circumcenter is  equidistant  from each vertex of the triangle. the circumcenter is at the  intersection  of the  perpendicular bisectors  of the triangle's sides. the circumcenter of a right triangle falls on the side opposite the right  angle. the incenter  of a triangle is always inside it.