Respuesta :

They are found in sedimentary rocks . answer is A 

Answer:

( A). sedimentary is a correct answer.

Explanation:

Fossils are the impression or remains of plant and animal present on the layer of sedimentary rocks.

Fossils are usually found in sedimentary rocks, as these rocks are formed on the Earth's surface at low pressure and temperature.

The sedimentary rock contains fossil, as they are formed at low temperature and pressure, due to this fossil remains, are not destroyed.

Thus this the reason Fossils are usually found in sedimentary  rock.