Which of the following type of rock formation is the least likely to contain a fossil?

limestone
granite
shale
sandstone

Granite

Explanation:

Fossil is a well preserved remains  or traces of plant and animals. Fossil are found in various kind of rock. Usually in rocks that can create the necessary environment to conserve life. Rocks that has vital nutrient and conducive environment to nurture life contain fossils.  

Granite is the only rocks least likely among the option that can harbor life and invariably contain fossil due to the mode of formation. Granite is an intrusive igneous rocks . Granite is formed from a molten liquid called magma .This magma solidify below the earth surface to form granite. The temperature were this rock form is usually high and it rarely support life. Plant and animal cannot strife in the kind of environment that  produce granite because of the temperature therefore if this creature cannot live their, the remains can hardly be found.

Generally, granite cannot preserve fossils.

6.4 cm (max) - 25 cm (min)