What type of rock is this and how do you know

it is a fossil it looks like

Explanation:

you can tell because that object in the rock is currently stuck in the rock.

if I am wrong please forgive me

idk

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.