Identify the igneous rocks:

a.) slate

b.) red volcanic rock

c.) lava rock covered by sulphur

d.) sandstone

B.) Red Volcanic Rock

C.) Lava Rock covered by Sulphur

Explanation:

Igneous rocks are rocks that forms from the cooling and solidification of magma. Magma is a melt or molten rock. Magma is usually derived from rocks that have been buried and subjected to extreme temperature conditions.

Red volcanic rocks and lava rocks covered with sulphur  are classified as volcanic rocks. Volcanic rocks are formed from magma that settles and cools on the surface of the crust. These magma is called lava.

Slate is a metamorphic rock and sandstones are sedimentary in nature.

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the awnser is a

it is not b or c